/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 19:04:45,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 19:04:45,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 19:04:45,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 19:04:45,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 19:04:45,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 19:04:45,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 19:04:45,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 19:04:45,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 19:04:45,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 19:04:45,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 19:04:45,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 19:04:45,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 19:04:45,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 19:04:45,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 19:04:45,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 19:04:45,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 19:04:45,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 19:04:45,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 19:04:45,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 19:04:45,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 19:04:45,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 19:04:45,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 19:04:45,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 19:04:45,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 19:04:45,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 19:04:45,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 19:04:45,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 19:04:45,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 19:04:45,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 19:04:45,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 19:04:45,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 19:04:45,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 19:04:45,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 19:04:45,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 19:04:45,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 19:04:45,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 19:04:45,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 19:04:45,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 19:04:45,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 19:04:45,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 19:04:45,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 19:04:45,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 19:04:45,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 19:04:45,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 19:04:45,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 19:04:45,725 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 19:04:45,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 19:04:45,725 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 19:04:45,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 19:04:45,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 19:04:45,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 19:04:45,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 19:04:45,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 19:04:45,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 19:04:45,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 19:04:45,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 19:04:45,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 19:04:45,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 19:04:45,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 19:04:45,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 19:04:45,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 19:04:45,728 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 19:04:45,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 19:04:45,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 19:04:45,728 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 19:04:45,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 19:04:46,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 19:04:46,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 19:04:46,026 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-11 19:04:46,027 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-11 19:04:46,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl [2021-06-11 19:04:46,028 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl' [2021-06-11 19:04:46,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 19:04:46,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-11 19:04:46,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 19:04:46,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 19:04:46,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 19:04:46,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 19:04:46,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 19:04:46,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 19:04:46,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 19:04:46,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... [2021-06-11 19:04:46,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 19:04:46,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 19:04:46,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 19:04:46,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 19:04:46,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 19:04:46,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-06-11 19:04:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-06-11 19:04:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-06-11 19:04:46,165 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-06-11 19:04:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-06-11 19:04:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-06-11 19:04:46,165 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-06-11 19:04:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-06-11 19:04:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-06-11 19:04:46,166 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-06-11 19:04:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-06-11 19:04:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-06-11 19:04:46,166 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-06-11 19:04:46,166 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-06-11 19:04:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-06-11 19:04:46,166 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-11 19:04:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 19:04:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 19:04:46,167 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-06-11 19:04:46,167 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-06-11 19:04:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-06-11 19:04:46,167 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 19:04:46,267 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 19:04:46,267 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-11 19:04:46,268 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:04:46 BoogieIcfgContainer [2021-06-11 19:04:46,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 19:04:46,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 19:04:46,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 19:04:46,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 19:04:46,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.06 07:04:46" (1/2) ... [2021-06-11 19:04:46,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6641f1b1 and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:04:46, skipping insertion in model container [2021-06-11 19:04:46,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:04:46" (2/2) ... [2021-06-11 19:04:46,273 INFO L111 eAbstractionObserver]: Analyzing ICFG example_6.bpl [2021-06-11 19:04:46,276 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 19:04:46,279 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 19:04:46,280 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 19:04:46,342 INFO L149 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2021-06-11 19:04:46,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 19:04:46,379 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 19:04:46,379 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 19:04:46,379 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 19:04:46,379 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 19:04:46,379 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 19:04:46,379 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 19:04:46,379 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 19:04:46,379 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 19:04:46,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 264 flow [2021-06-11 19:04:46,465 INFO L129 PetriNetUnfolder]: 129/213 cut-off events. [2021-06-11 19:04:46,465 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-06-11 19:04:46,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 213 events. 129/213 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 763 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-06-11 19:04:46,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 63 transitions, 264 flow [2021-06-11 19:04:46,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 55 transitions, 236 flow [2021-06-11 19:04:46,482 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:46,496 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 55 transitions, 236 flow [2021-06-11 19:04:46,503 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 55 transitions, 236 flow [2021-06-11 19:04:46,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 55 transitions, 236 flow [2021-06-11 19:04:46,543 INFO L129 PetriNetUnfolder]: 129/211 cut-off events. [2021-06-11 19:04:46,544 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-06-11 19:04:46,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 211 events. 129/211 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 621 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-06-11 19:04:46,554 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 19:04:46,680 INFO L163 LiptonReduction]: Checked pairs total: 225 [2021-06-11 19:04:46,681 INFO L165 LiptonReduction]: Total number of compositions: 6 [2021-06-11 19:04:46,683 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 202 [2021-06-11 19:04:46,720 INFO L129 PetriNetUnfolder]: 129/204 cut-off events. [2021-06-11 19:04:46,720 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-06-11 19:04:46,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:46,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:46,721 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:46,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:46,725 INFO L82 PathProgramCache]: Analyzing trace with hash -620648734, now seen corresponding path program 1 times [2021-06-11 19:04:46,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:46,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253085548] [2021-06-11 19:04:46,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:46,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:46,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:04:46,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:46,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253085548] [2021-06-11 19:04:46,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:46,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:04:46,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686860878] [2021-06-11 19:04:46,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 19:04:46,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:46,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 19:04:46,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 19:04:46,854 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-06-11 19:04:46,856 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 49 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:46,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-06-11 19:04:46,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:46,875 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-06-11 19:04:46,876 INFO L130 PetriNetUnfolder]: For 177/177 co-relation queries the response was YES. [2021-06-11 19:04:46,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 94 events. 49/94 cut-off events. For 177/177 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 279 event pairs, 0 based on Foata normal form. 31/125 useless extension candidates. Maximal degree in co-relation 166. Up to 30 conditions per place. [2021-06-11 19:04:46,877 INFO L132 encePairwiseOnDemand]: 63/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/39 dead transitions. [2021-06-11 19:04:46,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 39 transitions, 178 flow [2021-06-11 19:04:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 19:04:46,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 19:04:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2021-06-11 19:04:46,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2021-06-11 19:04:46,886 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 193 transitions. [2021-06-11 19:04:46,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 193 transitions. [2021-06-11 19:04:46,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:46,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 193 transitions. [2021-06-11 19:04:46,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,893 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,894 INFO L185 Difference]: Start difference. First operand has 38 places, 49 transitions, 224 flow. Second operand 3 states and 193 transitions. [2021-06-11 19:04:46,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 39 transitions, 178 flow [2021-06-11 19:04:46,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 39 transitions, 114 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-06-11 19:04:46,898 INFO L241 Difference]: Finished difference. Result has 28 places, 39 transitions, 112 flow [2021-06-11 19:04:46,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=28, PETRI_TRANSITIONS=39} [2021-06-11 19:04:46,900 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -10 predicate places. [2021-06-11 19:04:46,900 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:46,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 39 transitions, 112 flow [2021-06-11 19:04:46,901 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 39 transitions, 112 flow [2021-06-11 19:04:46,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 39 transitions, 112 flow [2021-06-11 19:04:46,905 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-06-11 19:04:46,905 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 19:04:46,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 94 events. 49/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 233 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 88. Up to 30 conditions per place. [2021-06-11 19:04:46,906 INFO L151 LiptonReduction]: Number of co-enabled transitions 270 [2021-06-11 19:04:46,909 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:46,909 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:46,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 19:04:46,910 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 39 transitions, 112 flow [2021-06-11 19:04:46,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:46,910 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:46,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 19:04:46,911 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:46,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:46,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1690452846, now seen corresponding path program 1 times [2021-06-11 19:04:46,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:46,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339562245] [2021-06-11 19:04:46,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:46,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:46,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:04:46,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:46,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339562245] [2021-06-11 19:04:46,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:46,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:04:46,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664255432] [2021-06-11 19:04:46,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 19:04:46,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:46,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 19:04:46,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 19:04:46,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-06-11 19:04:46,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 39 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:46,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-06-11 19:04:46,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:46,941 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-06-11 19:04:46,941 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-06-11 19:04:46,941 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 73 events. 33/73 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 189 event pairs, 0 based on Foata normal form. 5/78 useless extension candidates. Maximal degree in co-relation 78. Up to 20 conditions per place. [2021-06-11 19:04:46,942 INFO L132 encePairwiseOnDemand]: 66/69 looper letters, 3 selfloop transitions, 1 changer transitions 0/37 dead transitions. [2021-06-11 19:04:46,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 37 transitions, 114 flow [2021-06-11 19:04:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 19:04:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 19:04:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-06-11 19:04:46,944 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-06-11 19:04:46,944 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-06-11 19:04:46,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-06-11 19:04:46,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:46,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-06-11 19:04:46,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,946 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,946 INFO L185 Difference]: Start difference. First operand has 28 places, 39 transitions, 112 flow. Second operand 3 states and 192 transitions. [2021-06-11 19:04:46,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 37 transitions, 114 flow [2021-06-11 19:04:46,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 113 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:46,947 INFO L241 Difference]: Finished difference. Result has 29 places, 37 transitions, 107 flow [2021-06-11 19:04:46,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=29, PETRI_TRANSITIONS=37} [2021-06-11 19:04:46,948 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -9 predicate places. [2021-06-11 19:04:46,948 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:46,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 37 transitions, 107 flow [2021-06-11 19:04:46,948 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 37 transitions, 107 flow [2021-06-11 19:04:46,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 37 transitions, 107 flow [2021-06-11 19:04:46,952 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-06-11 19:04:46,952 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 19:04:46,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 33/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 180 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 74. Up to 20 conditions per place. [2021-06-11 19:04:46,953 INFO L151 LiptonReduction]: Number of co-enabled transitions 250 [2021-06-11 19:04:46,955 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:46,955 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:46,955 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 19:04:46,956 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 37 transitions, 107 flow [2021-06-11 19:04:46,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:46,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:46,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 19:04:46,956 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:46,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:46,957 INFO L82 PathProgramCache]: Analyzing trace with hash 352539060, now seen corresponding path program 1 times [2021-06-11 19:04:46,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:46,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580585201] [2021-06-11 19:04:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:46,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:46,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:04:46,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:46,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:46,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580585201] [2021-06-11 19:04:46,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:46,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:04:46,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691803804] [2021-06-11 19:04:46,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 19:04:46,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:46,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 19:04:46,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 19:04:46,974 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-06-11 19:04:46,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 37 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:46,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-06-11 19:04:46,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:46,982 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-06-11 19:04:46,982 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-06-11 19:04:46,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 42 events. 12/42 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 0 based on Foata normal form. 7/49 useless extension candidates. Maximal degree in co-relation 49. Up to 8 conditions per place. [2021-06-11 19:04:46,983 INFO L132 encePairwiseOnDemand]: 65/69 looper letters, 2 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2021-06-11 19:04:46,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 34 transitions, 104 flow [2021-06-11 19:04:46,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 19:04:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 19:04:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-06-11 19:04:46,984 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-06-11 19:04:46,984 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-06-11 19:04:46,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-06-11 19:04:46,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:46,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-06-11 19:04:46,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,986 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,986 INFO L185 Difference]: Start difference. First operand has 29 places, 37 transitions, 107 flow. Second operand 3 states and 192 transitions. [2021-06-11 19:04:46,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 34 transitions, 104 flow [2021-06-11 19:04:46,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 103 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:46,987 INFO L241 Difference]: Finished difference. Result has 30 places, 34 transitions, 99 flow [2021-06-11 19:04:46,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2021-06-11 19:04:46,987 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-06-11 19:04:46,987 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:46,987 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 34 transitions, 99 flow [2021-06-11 19:04:46,988 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 34 transitions, 99 flow [2021-06-11 19:04:46,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 34 transitions, 99 flow [2021-06-11 19:04:46,990 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-06-11 19:04:46,990 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 19:04:46,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 42 events. 12/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 44. Up to 8 conditions per place. [2021-06-11 19:04:46,991 INFO L151 LiptonReduction]: Number of co-enabled transitions 184 [2021-06-11 19:04:46,993 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:46,993 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:46,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-06-11 19:04:46,993 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 99 flow [2021-06-11 19:04:46,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:46,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:46,994 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:46,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 19:04:46,994 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:46,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:46,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1582961168, now seen corresponding path program 1 times [2021-06-11 19:04:46,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:46,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777321004] [2021-06-11 19:04:46,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:47,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:47,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 19:04:47,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:47,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777321004] [2021-06-11 19:04:47,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:47,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 19:04:47,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344304478] [2021-06-11 19:04:47,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 19:04:47,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:47,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 19:04:47,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 19:04:47,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-06-11 19:04:47,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:47,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-06-11 19:04:47,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:47,025 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-06-11 19:04:47,025 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-06-11 19:04:47,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 21 events. 1/21 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 5/26 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-06-11 19:04:47,025 INFO L132 encePairwiseOnDemand]: 64/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2021-06-11 19:04:47,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 64 flow [2021-06-11 19:04:47,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 19:04:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 19:04:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-06-11 19:04:47,029 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-06-11 19:04:47,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-06-11 19:04:47,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-06-11 19:04:47,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:47,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-06-11 19:04:47,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,030 INFO L185 Difference]: Start difference. First operand has 30 places, 34 transitions, 99 flow. Second operand 3 states and 192 transitions. [2021-06-11 19:04:47,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 64 flow [2021-06-11 19:04:47,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 63 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:47,031 INFO L241 Difference]: Finished difference. Result has 31 places, 21 transitions, 61 flow [2021-06-11 19:04:47,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=31, PETRI_TRANSITIONS=21} [2021-06-11 19:04:47,031 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -7 predicate places. [2021-06-11 19:04:47,032 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:47,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 21 transitions, 61 flow [2021-06-11 19:04:47,032 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 21 transitions, 61 flow [2021-06-11 19:04:47,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 21 transitions, 61 flow [2021-06-11 19:04:47,034 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-06-11 19:04:47,034 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 19:04:47,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 21 events. 1/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2021-06-11 19:04:47,034 INFO L151 LiptonReduction]: Number of co-enabled transitions 108 [2021-06-11 19:04:47,035 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:47,035 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:47,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-06-11 19:04:47,036 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 61 flow [2021-06-11 19:04:47,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:47,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:47,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 19:04:47,036 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:47,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:47,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1170099768, now seen corresponding path program 1 times [2021-06-11 19:04:47,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:47,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042766205] [2021-06-11 19:04:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:47,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:47,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:47,145 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:47,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:47,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:47,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:47,182 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:47,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:47,215 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:47,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:47,258 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:47,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:47,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042766205] [2021-06-11 19:04:47,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:47,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:47,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435027054] [2021-06-11 19:04:47,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:47,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:47,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:47,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:47,291 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:47,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 61 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:47,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:47,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:47,402 INFO L129 PetriNetUnfolder]: 159/327 cut-off events. [2021-06-11 19:04:47,402 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 19:04:47,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 327 events. 159/327 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1516 event pairs, 49 based on Foata normal form. 1/297 useless extension candidates. Maximal degree in co-relation 576. Up to 97 conditions per place. [2021-06-11 19:04:47,404 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 20 selfloop transitions, 6 changer transitions 0/40 dead transitions. [2021-06-11 19:04:47,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 151 flow [2021-06-11 19:04:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:47,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:47,406 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:47,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,408 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,408 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 61 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:47,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 151 flow [2021-06-11 19:04:47,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:47,410 INFO L241 Difference]: Finished difference. Result has 43 places, 26 transitions, 105 flow [2021-06-11 19:04:47,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=105, PETRI_PLACES=43, PETRI_TRANSITIONS=26} [2021-06-11 19:04:47,410 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2021-06-11 19:04:47,410 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:47,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 26 transitions, 105 flow [2021-06-11 19:04:47,410 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 26 transitions, 105 flow [2021-06-11 19:04:47,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 26 transitions, 105 flow [2021-06-11 19:04:47,414 INFO L129 PetriNetUnfolder]: 4/63 cut-off events. [2021-06-11 19:04:47,415 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-06-11 19:04:47,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 63 events. 4/63 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 217 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 96. Up to 8 conditions per place. [2021-06-11 19:04:47,415 INFO L151 LiptonReduction]: Number of co-enabled transitions 152 [2021-06-11 19:04:47,416 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:47,416 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:47,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 19:04:47,417 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 26 transitions, 105 flow [2021-06-11 19:04:47,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:47,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:47,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 19:04:47,418 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:47,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:47,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1771331794, now seen corresponding path program 2 times [2021-06-11 19:04:47,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:47,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090029483] [2021-06-11 19:04:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:47,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:47,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:47,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:47,460 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:47,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:47,475 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:47,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:47,497 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:04:47,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:04:47,532 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:47,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:47,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090029483] [2021-06-11 19:04:47,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:47,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:47,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425164040] [2021-06-11 19:04:47,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:47,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:47,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:47,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:47,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:47,565 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 26 transitions, 105 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:47,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:47,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:47,652 INFO L129 PetriNetUnfolder]: 203/536 cut-off events. [2021-06-11 19:04:47,653 INFO L130 PetriNetUnfolder]: For 411/424 co-relation queries the response was YES. [2021-06-11 19:04:47,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 536 events. 203/536 cut-off events. For 411/424 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3438 event pairs, 49 based on Foata normal form. 1/507 useless extension candidates. Maximal degree in co-relation 1214. Up to 131 conditions per place. [2021-06-11 19:04:47,656 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 23 selfloop transitions, 9 changer transitions 0/46 dead transitions. [2021-06-11 19:04:47,657 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 46 transitions, 256 flow [2021-06-11 19:04:47,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:47,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:47,658 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:47,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,661 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,661 INFO L185 Difference]: Start difference. First operand has 43 places, 26 transitions, 105 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:47,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 46 transitions, 256 flow [2021-06-11 19:04:47,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:47,663 INFO L241 Difference]: Finished difference. Result has 55 places, 32 transitions, 178 flow [2021-06-11 19:04:47,663 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=178, PETRI_PLACES=55, PETRI_TRANSITIONS=32} [2021-06-11 19:04:47,663 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 17 predicate places. [2021-06-11 19:04:47,663 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:47,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 32 transitions, 178 flow [2021-06-11 19:04:47,664 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 32 transitions, 178 flow [2021-06-11 19:04:47,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 32 transitions, 178 flow [2021-06-11 19:04:47,673 INFO L129 PetriNetUnfolder]: 10/146 cut-off events. [2021-06-11 19:04:47,674 INFO L130 PetriNetUnfolder]: For 104/104 co-relation queries the response was YES. [2021-06-11 19:04:47,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 146 events. 10/146 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 892 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 275. Up to 20 conditions per place. [2021-06-11 19:04:47,675 INFO L151 LiptonReduction]: Number of co-enabled transitions 208 [2021-06-11 19:04:47,677 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:47,677 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:47,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 19:04:47,677 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 32 transitions, 178 flow [2021-06-11 19:04:47,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:47,678 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:47,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 19:04:47,678 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:47,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:47,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1945596050, now seen corresponding path program 3 times [2021-06-11 19:04:47,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:47,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130732764] [2021-06-11 19:04:47,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:47,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:47,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:47,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:47,716 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:47,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:47,728 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:04:47,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:04:47,751 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:04:47,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:04:47,772 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:47,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:47,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130732764] [2021-06-11 19:04:47,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:47,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:47,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382334269] [2021-06-11 19:04:47,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:47,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:47,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:47,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:47,791 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:47,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 32 transitions, 178 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:47,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:47,792 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:47,897 INFO L129 PetriNetUnfolder]: 225/740 cut-off events. [2021-06-11 19:04:47,897 INFO L130 PetriNetUnfolder]: For 1512/1550 co-relation queries the response was YES. [2021-06-11 19:04:47,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2112 conditions, 740 events. 225/740 cut-off events. For 1512/1550 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5956 event pairs, 52 based on Foata normal form. 1/702 useless extension candidates. Maximal degree in co-relation 2090. Up to 179 conditions per place. [2021-06-11 19:04:47,902 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 38 selfloop transitions, 15 changer transitions 0/67 dead transitions. [2021-06-11 19:04:47,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 67 transitions, 536 flow [2021-06-11 19:04:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:47,904 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:47,904 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:47,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:47,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,906 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,906 INFO L185 Difference]: Start difference. First operand has 55 places, 32 transitions, 178 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:47,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 67 transitions, 536 flow [2021-06-11 19:04:47,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 67 transitions, 518 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:47,910 INFO L241 Difference]: Finished difference. Result has 67 places, 44 transitions, 343 flow [2021-06-11 19:04:47,910 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=343, PETRI_PLACES=67, PETRI_TRANSITIONS=44} [2021-06-11 19:04:47,910 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 29 predicate places. [2021-06-11 19:04:47,910 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:47,910 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 44 transitions, 343 flow [2021-06-11 19:04:47,910 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 44 transitions, 343 flow [2021-06-11 19:04:47,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 44 transitions, 343 flow [2021-06-11 19:04:47,930 INFO L129 PetriNetUnfolder]: 23/312 cut-off events. [2021-06-11 19:04:47,930 INFO L130 PetriNetUnfolder]: For 492/506 co-relation queries the response was YES. [2021-06-11 19:04:47,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 312 events. 23/312 cut-off events. For 492/506 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2606 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 699. Up to 46 conditions per place. [2021-06-11 19:04:47,932 INFO L151 LiptonReduction]: Number of co-enabled transitions 308 [2021-06-11 19:04:47,935 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:47,935 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:47,935 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 19:04:47,935 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 44 transitions, 343 flow [2021-06-11 19:04:47,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:47,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:47,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:47,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 19:04:47,936 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:47,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:47,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1450839060, now seen corresponding path program 4 times [2021-06-11 19:04:47,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:47,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636344509] [2021-06-11 19:04:47,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:47,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:47,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:47,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:47,966 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:47,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:47,978 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:47,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:47,994 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:47,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:48,021 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:48,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:48,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636344509] [2021-06-11 19:04:48,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:48,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:48,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054610189] [2021-06-11 19:04:48,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:48,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:48,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:48,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:48,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:48,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 44 transitions, 343 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:48,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:48,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:48,226 INFO L129 PetriNetUnfolder]: 273/1086 cut-off events. [2021-06-11 19:04:48,226 INFO L130 PetriNetUnfolder]: For 3716/3756 co-relation queries the response was YES. [2021-06-11 19:04:48,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3421 conditions, 1086 events. 273/1086 cut-off events. For 3716/3756 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10360 event pairs, 58 based on Foata normal form. 1/1036 useless extension candidates. Maximal degree in co-relation 3393. Up to 249 conditions per place. [2021-06-11 19:04:48,234 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 48 selfloop transitions, 23 changer transitions 0/85 dead transitions. [2021-06-11 19:04:48,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 85 transitions, 890 flow [2021-06-11 19:04:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:48,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:48,236 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:48,236 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:48,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:48,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:48,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:48,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,237 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,238 INFO L185 Difference]: Start difference. First operand has 67 places, 44 transitions, 343 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:48,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 85 transitions, 890 flow [2021-06-11 19:04:48,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 85 transitions, 878 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:48,246 INFO L241 Difference]: Finished difference. Result has 79 places, 62 transitions, 649 flow [2021-06-11 19:04:48,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=649, PETRI_PLACES=79, PETRI_TRANSITIONS=62} [2021-06-11 19:04:48,246 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 41 predicate places. [2021-06-11 19:04:48,246 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:48,246 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 62 transitions, 649 flow [2021-06-11 19:04:48,246 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 62 transitions, 649 flow [2021-06-11 19:04:48,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 62 transitions, 649 flow [2021-06-11 19:04:48,284 INFO L129 PetriNetUnfolder]: 39/520 cut-off events. [2021-06-11 19:04:48,284 INFO L130 PetriNetUnfolder]: For 1565/1595 co-relation queries the response was YES. [2021-06-11 19:04:48,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1415 conditions, 520 events. 39/520 cut-off events. For 1565/1595 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5151 event pairs, 0 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 1382. Up to 78 conditions per place. [2021-06-11 19:04:48,289 INFO L151 LiptonReduction]: Number of co-enabled transitions 434 [2021-06-11 19:04:48,293 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:48,293 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:48,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 47 [2021-06-11 19:04:48,294 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 62 transitions, 649 flow [2021-06-11 19:04:48,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:48,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:48,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 19:04:48,295 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:48,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:48,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1462267974, now seen corresponding path program 5 times [2021-06-11 19:04:48,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:48,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459911521] [2021-06-11 19:04:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:48,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:48,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:48,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:48,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:48,341 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:48,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:48,354 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:48,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:48,367 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:04:48,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:04:48,392 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:48,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:48,412 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:48,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:48,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459911521] [2021-06-11 19:04:48,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:48,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:48,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903457373] [2021-06-11 19:04:48,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:48,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:48,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:48,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:48,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:48,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 62 transitions, 649 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:48,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:48,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:48,610 INFO L129 PetriNetUnfolder]: 303/1228 cut-off events. [2021-06-11 19:04:48,610 INFO L130 PetriNetUnfolder]: For 6322/6386 co-relation queries the response was YES. [2021-06-11 19:04:48,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4403 conditions, 1228 events. 303/1228 cut-off events. For 6322/6386 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 12113 event pairs, 63 based on Foata normal form. 1/1172 useless extension candidates. Maximal degree in co-relation 4369. Up to 280 conditions per place. [2021-06-11 19:04:48,621 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 43 selfloop transitions, 33 changer transitions 0/90 dead transitions. [2021-06-11 19:04:48,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 90 transitions, 1114 flow [2021-06-11 19:04:48,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:48,623 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:48,623 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:48,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:48,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:48,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:48,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,625 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,625 INFO L185 Difference]: Start difference. First operand has 79 places, 62 transitions, 649 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:48,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 90 transitions, 1114 flow [2021-06-11 19:04:48,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 90 transitions, 1092 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:48,637 INFO L241 Difference]: Finished difference. Result has 91 places, 75 transitions, 932 flow [2021-06-11 19:04:48,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=932, PETRI_PLACES=91, PETRI_TRANSITIONS=75} [2021-06-11 19:04:48,638 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 53 predicate places. [2021-06-11 19:04:48,638 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:48,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 75 transitions, 932 flow [2021-06-11 19:04:48,638 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 75 transitions, 932 flow [2021-06-11 19:04:48,639 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 75 transitions, 932 flow [2021-06-11 19:04:48,700 INFO L129 PetriNetUnfolder]: 40/583 cut-off events. [2021-06-11 19:04:48,700 INFO L130 PetriNetUnfolder]: For 2681/2815 co-relation queries the response was YES. [2021-06-11 19:04:48,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1825 conditions, 583 events. 40/583 cut-off events. For 2681/2815 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5946 event pairs, 0 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 1786. Up to 80 conditions per place. [2021-06-11 19:04:48,707 INFO L151 LiptonReduction]: Number of co-enabled transitions 544 [2021-06-11 19:04:48,713 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:48,713 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:48,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-06-11 19:04:48,714 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 75 transitions, 932 flow [2021-06-11 19:04:48,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:48,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:48,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 19:04:48,715 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:48,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:48,715 INFO L82 PathProgramCache]: Analyzing trace with hash 135383418, now seen corresponding path program 6 times [2021-06-11 19:04:48,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:48,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951366680] [2021-06-11 19:04:48,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:48,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:48,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:48,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:48,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:48,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:48,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:04:48,753 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:04:48,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:04:48,778 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:48,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:48,799 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:48,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:48,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951366680] [2021-06-11 19:04:48,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:48,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:48,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612081356] [2021-06-11 19:04:48,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:48,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:48,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:48,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:48,819 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:48,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 75 transitions, 932 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:48,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:48,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:48,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:49,001 INFO L129 PetriNetUnfolder]: 280/1316 cut-off events. [2021-06-11 19:04:49,002 INFO L130 PetriNetUnfolder]: For 10146/10202 co-relation queries the response was YES. [2021-06-11 19:04:49,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1316 events. 280/1316 cut-off events. For 10146/10202 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13775 event pairs, 85 based on Foata normal form. 2/1261 useless extension candidates. Maximal degree in co-relation 5389. Up to 273 conditions per place. [2021-06-11 19:04:49,013 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 57 selfloop transitions, 35 changer transitions 1/107 dead transitions. [2021-06-11 19:04:49,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 107 transitions, 1541 flow [2021-06-11 19:04:49,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:49,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:49,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:49,015 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:49,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,017 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,017 INFO L185 Difference]: Start difference. First operand has 91 places, 75 transitions, 932 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:49,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 107 transitions, 1541 flow [2021-06-11 19:04:49,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 1452 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:49,038 INFO L241 Difference]: Finished difference. Result has 103 places, 83 transitions, 1102 flow [2021-06-11 19:04:49,038 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1102, PETRI_PLACES=103, PETRI_TRANSITIONS=83} [2021-06-11 19:04:49,039 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 65 predicate places. [2021-06-11 19:04:49,039 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:49,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 83 transitions, 1102 flow [2021-06-11 19:04:49,039 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 83 transitions, 1102 flow [2021-06-11 19:04:49,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 83 transitions, 1102 flow [2021-06-11 19:04:49,092 INFO L129 PetriNetUnfolder]: 43/735 cut-off events. [2021-06-11 19:04:49,092 INFO L130 PetriNetUnfolder]: For 4479/4725 co-relation queries the response was YES. [2021-06-11 19:04:49,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2561 conditions, 735 events. 43/735 cut-off events. For 4479/4725 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 8118 event pairs, 0 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 2516. Up to 86 conditions per place. [2021-06-11 19:04:49,100 INFO L151 LiptonReduction]: Number of co-enabled transitions 634 [2021-06-11 19:04:49,107 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:49,107 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:49,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-06-11 19:04:49,108 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 83 transitions, 1102 flow [2021-06-11 19:04:49,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:49,108 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:49,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 19:04:49,108 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:49,109 INFO L82 PathProgramCache]: Analyzing trace with hash -109852654, now seen corresponding path program 7 times [2021-06-11 19:04:49,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:49,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273496638] [2021-06-11 19:04:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:49,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:49,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:49,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:49,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:49,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:49,151 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:49,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:49,162 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:04:49,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:04:49,178 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:04:49,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:04:49,197 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:49,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:49,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273496638] [2021-06-11 19:04:49,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:49,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:49,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56019453] [2021-06-11 19:04:49,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:49,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:49,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:49,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:49,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:49,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 83 transitions, 1102 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:49,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:49,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:49,426 INFO L129 PetriNetUnfolder]: 271/1471 cut-off events. [2021-06-11 19:04:49,427 INFO L130 PetriNetUnfolder]: For 14290/14409 co-relation queries the response was YES. [2021-06-11 19:04:49,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6519 conditions, 1471 events. 271/1471 cut-off events. For 14290/14409 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 16409 event pairs, 99 based on Foata normal form. 4/1397 useless extension candidates. Maximal degree in co-relation 6473. Up to 286 conditions per place. [2021-06-11 19:04:49,441 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 71 selfloop transitions, 41 changer transitions 0/126 dead transitions. [2021-06-11 19:04:49,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 126 transitions, 1942 flow [2021-06-11 19:04:49,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:49,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:49,442 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:49,442 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:49,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,444 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,444 INFO L185 Difference]: Start difference. First operand has 102 places, 83 transitions, 1102 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:49,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 126 transitions, 1942 flow [2021-06-11 19:04:49,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 126 transitions, 1876 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-06-11 19:04:49,467 INFO L241 Difference]: Finished difference. Result has 113 places, 98 transitions, 1454 flow [2021-06-11 19:04:49,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1454, PETRI_PLACES=113, PETRI_TRANSITIONS=98} [2021-06-11 19:04:49,468 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 75 predicate places. [2021-06-11 19:04:49,468 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:49,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 98 transitions, 1454 flow [2021-06-11 19:04:49,468 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 98 transitions, 1454 flow [2021-06-11 19:04:49,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 98 transitions, 1454 flow [2021-06-11 19:04:49,548 INFO L129 PetriNetUnfolder]: 61/947 cut-off events. [2021-06-11 19:04:49,548 INFO L130 PetriNetUnfolder]: For 7103/7331 co-relation queries the response was YES. [2021-06-11 19:04:49,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3414 conditions, 947 events. 61/947 cut-off events. For 7103/7331 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 11118 event pairs, 0 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 3364. Up to 122 conditions per place. [2021-06-11 19:04:49,562 INFO L151 LiptonReduction]: Number of co-enabled transitions 744 [2021-06-11 19:04:49,572 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:49,572 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:49,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-06-11 19:04:49,574 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 98 transitions, 1454 flow [2021-06-11 19:04:49,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,575 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:49,575 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:49,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 19:04:49,575 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:49,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:49,575 INFO L82 PathProgramCache]: Analyzing trace with hash 432502018, now seen corresponding path program 8 times [2021-06-11 19:04:49,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:49,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770786639] [2021-06-11 19:04:49,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:49,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:49,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:49,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:49,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:49,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:49,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:49,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:49,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:04:49,643 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:49,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:49,658 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:49,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:49,678 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:49,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:49,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770786639] [2021-06-11 19:04:49,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:49,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:49,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550658747] [2021-06-11 19:04:49,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:49,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:49,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:49,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:49,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:49,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 98 transitions, 1454 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,697 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:49,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:49,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:49,910 INFO L129 PetriNetUnfolder]: 267/1513 cut-off events. [2021-06-11 19:04:49,910 INFO L130 PetriNetUnfolder]: For 17718/17856 co-relation queries the response was YES. [2021-06-11 19:04:49,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7183 conditions, 1513 events. 267/1513 cut-off events. For 17718/17856 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 17045 event pairs, 98 based on Foata normal form. 8/1446 useless extension candidates. Maximal degree in co-relation 7132. Up to 283 conditions per place. [2021-06-11 19:04:49,926 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 77 selfloop transitions, 47 changer transitions 0/138 dead transitions. [2021-06-11 19:04:49,926 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 138 transitions, 2346 flow [2021-06-11 19:04:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:49,928 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:49,928 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:49,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:49,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,930 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:49,930 INFO L185 Difference]: Start difference. First operand has 113 places, 98 transitions, 1454 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:49,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 138 transitions, 2346 flow [2021-06-11 19:04:49,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 138 transitions, 2264 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:49,963 INFO L241 Difference]: Finished difference. Result has 125 places, 111 transitions, 1792 flow [2021-06-11 19:04:49,963 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1384, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1792, PETRI_PLACES=125, PETRI_TRANSITIONS=111} [2021-06-11 19:04:49,963 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 87 predicate places. [2021-06-11 19:04:49,963 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:49,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 111 transitions, 1792 flow [2021-06-11 19:04:49,964 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 111 transitions, 1792 flow [2021-06-11 19:04:49,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 111 transitions, 1792 flow [2021-06-11 19:04:50,060 INFO L129 PetriNetUnfolder]: 67/1017 cut-off events. [2021-06-11 19:04:50,060 INFO L130 PetriNetUnfolder]: For 10343/10715 co-relation queries the response was YES. [2021-06-11 19:04:50,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4015 conditions, 1017 events. 67/1017 cut-off events. For 10343/10715 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 12167 event pairs, 0 based on Foata normal form. 1/957 useless extension candidates. Maximal degree in co-relation 3959. Up to 134 conditions per place. [2021-06-11 19:04:50,077 INFO L151 LiptonReduction]: Number of co-enabled transitions 846 [2021-06-11 19:04:50,091 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:50,091 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:50,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-06-11 19:04:50,092 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 111 transitions, 1792 flow [2021-06-11 19:04:50,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,092 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:50,092 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:50,092 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 19:04:50,092 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:50,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:50,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1732370938, now seen corresponding path program 9 times [2021-06-11 19:04:50,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:50,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344161544] [2021-06-11 19:04:50,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:50,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:50,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:50,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:50,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:50,111 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:50,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:50,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:50,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:50,129 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:04:50,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:04:50,144 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:04:50,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:04:50,164 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:50,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:50,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344161544] [2021-06-11 19:04:50,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:50,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:50,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723419080] [2021-06-11 19:04:50,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:50,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:50,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:50,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:50,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:50,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 111 transitions, 1792 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:50,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:50,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:50,397 INFO L129 PetriNetUnfolder]: 282/1594 cut-off events. [2021-06-11 19:04:50,397 INFO L130 PetriNetUnfolder]: For 22109/22303 co-relation queries the response was YES. [2021-06-11 19:04:50,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7970 conditions, 1594 events. 282/1594 cut-off events. For 22109/22303 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 18223 event pairs, 78 based on Foata normal form. 16/1544 useless extension candidates. Maximal degree in co-relation 7913. Up to 294 conditions per place. [2021-06-11 19:04:50,416 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 69 selfloop transitions, 61 changer transitions 1/145 dead transitions. [2021-06-11 19:04:50,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 2670 flow [2021-06-11 19:04:50,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:50,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:50,417 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:50,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:50,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:50,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:50,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,419 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,419 INFO L185 Difference]: Start difference. First operand has 125 places, 111 transitions, 1792 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:50,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 145 transitions, 2670 flow [2021-06-11 19:04:50,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 145 transitions, 2558 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:50,461 INFO L241 Difference]: Finished difference. Result has 137 places, 121 transitions, 2142 flow [2021-06-11 19:04:50,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1712, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2142, PETRI_PLACES=137, PETRI_TRANSITIONS=121} [2021-06-11 19:04:50,461 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 99 predicate places. [2021-06-11 19:04:50,461 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:50,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 121 transitions, 2142 flow [2021-06-11 19:04:50,462 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 121 transitions, 2142 flow [2021-06-11 19:04:50,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 121 transitions, 2142 flow [2021-06-11 19:04:50,554 INFO L129 PetriNetUnfolder]: 67/1029 cut-off events. [2021-06-11 19:04:50,554 INFO L130 PetriNetUnfolder]: For 13049/13674 co-relation queries the response was YES. [2021-06-11 19:04:50,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4393 conditions, 1029 events. 67/1029 cut-off events. For 13049/13674 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 12342 event pairs, 0 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 4331. Up to 134 conditions per place. [2021-06-11 19:04:50,585 INFO L151 LiptonReduction]: Number of co-enabled transitions 962 [2021-06-11 19:04:50,598 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:50,598 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:50,598 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-06-11 19:04:50,599 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 121 transitions, 2142 flow [2021-06-11 19:04:50,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:50,599 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:50,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 19:04:50,599 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:50,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:50,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1473148824, now seen corresponding path program 10 times [2021-06-11 19:04:50,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:50,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476736645] [2021-06-11 19:04:50,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:50,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:50,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:50,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:50,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:50,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:50,623 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:50,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:50,634 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:50,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:50,649 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:50,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:50,668 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:50,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:50,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476736645] [2021-06-11 19:04:50,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:50,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:50,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605526701] [2021-06-11 19:04:50,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:50,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:50,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:50,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:50,690 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:50,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 121 transitions, 2142 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:50,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:50,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:50,950 INFO L129 PetriNetUnfolder]: 279/1628 cut-off events. [2021-06-11 19:04:50,950 INFO L130 PetriNetUnfolder]: For 27703/27951 co-relation queries the response was YES. [2021-06-11 19:04:50,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8817 conditions, 1628 events. 279/1628 cut-off events. For 27703/27951 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 18854 event pairs, 77 based on Foata normal form. 19/1572 useless extension candidates. Maximal degree in co-relation 8754. Up to 283 conditions per place. [2021-06-11 19:04:50,968 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 82 selfloop transitions, 56 changer transitions 0/152 dead transitions. [2021-06-11 19:04:50,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 152 transitions, 3042 flow [2021-06-11 19:04:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:50,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:50,971 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:50,971 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:50,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:50,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:50,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:50,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,973 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:50,973 INFO L185 Difference]: Start difference. First operand has 137 places, 121 transitions, 2142 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:50,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 152 transitions, 3042 flow [2021-06-11 19:04:51,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 152 transitions, 2942 flow, removed 40 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:51,029 INFO L241 Difference]: Finished difference. Result has 148 places, 137 transitions, 2606 flow [2021-06-11 19:04:51,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2060, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2606, PETRI_PLACES=148, PETRI_TRANSITIONS=137} [2021-06-11 19:04:51,029 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 110 predicate places. [2021-06-11 19:04:51,029 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:51,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 137 transitions, 2606 flow [2021-06-11 19:04:51,030 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 137 transitions, 2606 flow [2021-06-11 19:04:51,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 2606 flow [2021-06-11 19:04:51,124 INFO L129 PetriNetUnfolder]: 70/1079 cut-off events. [2021-06-11 19:04:51,124 INFO L130 PetriNetUnfolder]: For 16203/16787 co-relation queries the response was YES. [2021-06-11 19:04:51,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4880 conditions, 1079 events. 70/1079 cut-off events. For 16203/16787 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 13103 event pairs, 0 based on Foata normal form. 3/1014 useless extension candidates. Maximal degree in co-relation 4813. Up to 140 conditions per place. [2021-06-11 19:04:51,143 INFO L151 LiptonReduction]: Number of co-enabled transitions 1066 [2021-06-11 19:04:51,149 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:51,150 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:51,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-06-11 19:04:51,150 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 137 transitions, 2606 flow [2021-06-11 19:04:51,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:51,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:51,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:51,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 19:04:51,151 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:51,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:51,151 INFO L82 PathProgramCache]: Analyzing trace with hash 384916286, now seen corresponding path program 11 times [2021-06-11 19:04:51,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:51,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712005358] [2021-06-11 19:04:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:51,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:51,167 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:51,178 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:51,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:51,196 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:51,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:51,213 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:04:51,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:04:51,234 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:51,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:51,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712005358] [2021-06-11 19:04:51,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:51,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:51,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555025224] [2021-06-11 19:04:51,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:51,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:51,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:51,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:51,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:51,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 2606 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:51,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:51,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:51,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:51,506 INFO L129 PetriNetUnfolder]: 279/1646 cut-off events. [2021-06-11 19:04:51,506 INFO L130 PetriNetUnfolder]: For 31131/31379 co-relation queries the response was YES. [2021-06-11 19:04:51,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9233 conditions, 1646 events. 279/1646 cut-off events. For 31131/31379 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 19136 event pairs, 83 based on Foata normal form. 21/1595 useless extension candidates. Maximal degree in co-relation 9165. Up to 294 conditions per place. [2021-06-11 19:04:51,523 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 58 selfloop transitions, 84 changer transitions 1/157 dead transitions. [2021-06-11 19:04:51,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 157 transitions, 3298 flow [2021-06-11 19:04:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:51,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:51,524 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:51,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:51,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:51,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:51,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:51,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:51,526 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:51,526 INFO L185 Difference]: Start difference. First operand has 148 places, 137 transitions, 2606 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:51,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 157 transitions, 3298 flow [2021-06-11 19:04:51,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 157 transitions, 3178 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-06-11 19:04:51,595 INFO L241 Difference]: Finished difference. Result has 158 places, 143 transitions, 2896 flow [2021-06-11 19:04:51,595 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2488, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2896, PETRI_PLACES=158, PETRI_TRANSITIONS=143} [2021-06-11 19:04:51,595 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 120 predicate places. [2021-06-11 19:04:51,595 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:51,595 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 143 transitions, 2896 flow [2021-06-11 19:04:51,595 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 143 transitions, 2896 flow [2021-06-11 19:04:51,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 143 transitions, 2896 flow [2021-06-11 19:04:51,701 INFO L129 PetriNetUnfolder]: 70/1097 cut-off events. [2021-06-11 19:04:51,701 INFO L130 PetriNetUnfolder]: For 18876/19841 co-relation queries the response was YES. [2021-06-11 19:04:51,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5225 conditions, 1097 events. 70/1097 cut-off events. For 18876/19841 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 13332 event pairs, 0 based on Foata normal form. 1/1039 useless extension candidates. Maximal degree in co-relation 5153. Up to 140 conditions per place. [2021-06-11 19:04:51,717 INFO L151 LiptonReduction]: Number of co-enabled transitions 1122 [2021-06-11 19:04:51,724 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:51,724 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:51,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 129 [2021-06-11 19:04:51,724 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 143 transitions, 2896 flow [2021-06-11 19:04:51,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:51,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:51,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:51,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 19:04:51,725 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:51,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:51,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1925717138, now seen corresponding path program 12 times [2021-06-11 19:04:51,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:51,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902179737] [2021-06-11 19:04:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:51,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:51,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:51,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:51,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:51,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:51,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:51,751 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:51,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:51,761 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:04:51,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:04:51,776 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:04:51,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:04:51,794 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:51,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:51,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902179737] [2021-06-11 19:04:51,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:51,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:51,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342892176] [2021-06-11 19:04:51,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:51,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:51,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:51,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:51,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:51,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 143 transitions, 2896 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:51,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:51,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:51,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:52,071 INFO L129 PetriNetUnfolder]: 279/1645 cut-off events. [2021-06-11 19:04:52,071 INFO L130 PetriNetUnfolder]: For 34910/35158 co-relation queries the response was YES. [2021-06-11 19:04:52,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9642 conditions, 1645 events. 279/1645 cut-off events. For 34910/35158 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 19116 event pairs, 83 based on Foata normal form. 21/1594 useless extension candidates. Maximal degree in co-relation 9569. Up to 294 conditions per place. [2021-06-11 19:04:52,089 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 81 changer transitions 1/160 dead transitions. [2021-06-11 19:04:52,089 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 3552 flow [2021-06-11 19:04:52,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:52,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:52,091 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:52,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:52,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:52,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:52,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,094 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,094 INFO L185 Difference]: Start difference. First operand has 158 places, 143 transitions, 2896 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:52,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 3552 flow [2021-06-11 19:04:52,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 3412 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-06-11 19:04:52,168 INFO L241 Difference]: Finished difference. Result has 167 places, 148 transitions, 3078 flow [2021-06-11 19:04:52,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2764, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3078, PETRI_PLACES=167, PETRI_TRANSITIONS=148} [2021-06-11 19:04:52,169 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 129 predicate places. [2021-06-11 19:04:52,169 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:52,169 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 148 transitions, 3078 flow [2021-06-11 19:04:52,169 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 148 transitions, 3078 flow [2021-06-11 19:04:52,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 148 transitions, 3078 flow [2021-06-11 19:04:52,269 INFO L129 PetriNetUnfolder]: 70/1096 cut-off events. [2021-06-11 19:04:52,269 INFO L130 PetriNetUnfolder]: For 19740/20458 co-relation queries the response was YES. [2021-06-11 19:04:52,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1096 events. 70/1096 cut-off events. For 19740/20458 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13343 event pairs, 0 based on Foata normal form. 3/1037 useless extension candidates. Maximal degree in co-relation 5353. Up to 140 conditions per place. [2021-06-11 19:04:52,283 INFO L151 LiptonReduction]: Number of co-enabled transitions 1186 [2021-06-11 19:04:52,290 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:52,290 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:52,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-06-11 19:04:52,291 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 148 transitions, 3078 flow [2021-06-11 19:04:52,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:52,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:52,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 19:04:52,291 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:52,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:52,291 INFO L82 PathProgramCache]: Analyzing trace with hash 881421328, now seen corresponding path program 13 times [2021-06-11 19:04:52,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:52,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069827874] [2021-06-11 19:04:52,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:52,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:52,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:52,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:52,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:52,306 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:52,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:52,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:52,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:52,323 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:52,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:52,337 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:52,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:52,354 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:52,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069827874] [2021-06-11 19:04:52,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:52,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:52,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131774100] [2021-06-11 19:04:52,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:52,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:52,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:52,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:52,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:52,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 148 transitions, 3078 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:52,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:52,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:52,649 INFO L129 PetriNetUnfolder]: 279/1644 cut-off events. [2021-06-11 19:04:52,649 INFO L130 PetriNetUnfolder]: For 37646/37894 co-relation queries the response was YES. [2021-06-11 19:04:52,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10002 conditions, 1644 events. 279/1644 cut-off events. For 37646/37894 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 19086 event pairs, 83 based on Foata normal form. 21/1593 useless extension candidates. Maximal degree in co-relation 9925. Up to 294 conditions per place. [2021-06-11 19:04:52,663 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 54 selfloop transitions, 91 changer transitions 1/160 dead transitions. [2021-06-11 19:04:52,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 160 transitions, 3624 flow [2021-06-11 19:04:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:04:52,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:04:52,664 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:04:52,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:04:52,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:52,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:04:52,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,666 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,666 INFO L185 Difference]: Start difference. First operand has 167 places, 148 transitions, 3078 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:04:52,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 160 transitions, 3624 flow [2021-06-11 19:04:52,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 160 transitions, 3450 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-06-11 19:04:52,746 INFO L241 Difference]: Finished difference. Result has 174 places, 150 transitions, 3162 flow [2021-06-11 19:04:52,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2904, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3162, PETRI_PLACES=174, PETRI_TRANSITIONS=150} [2021-06-11 19:04:52,746 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 136 predicate places. [2021-06-11 19:04:52,746 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:52,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 150 transitions, 3162 flow [2021-06-11 19:04:52,746 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 150 transitions, 3162 flow [2021-06-11 19:04:52,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 150 transitions, 3162 flow [2021-06-11 19:04:52,848 INFO L129 PetriNetUnfolder]: 70/1095 cut-off events. [2021-06-11 19:04:52,848 INFO L130 PetriNetUnfolder]: For 21378/22195 co-relation queries the response was YES. [2021-06-11 19:04:52,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5579 conditions, 1095 events. 70/1095 cut-off events. For 21378/22195 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 13327 event pairs, 0 based on Foata normal form. 3/1041 useless extension candidates. Maximal degree in co-relation 5500. Up to 140 conditions per place. [2021-06-11 19:04:52,863 INFO L151 LiptonReduction]: Number of co-enabled transitions 1206 [2021-06-11 19:04:52,870 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:52,870 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:52,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-06-11 19:04:52,870 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 150 transitions, 3162 flow [2021-06-11 19:04:52,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:52,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:52,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 19:04:52,871 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:52,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash 71391482, now seen corresponding path program 14 times [2021-06-11 19:04:52,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:52,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425092645] [2021-06-11 19:04:52,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:52,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:52,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:52,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:52,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:52,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:52,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:52,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:52,902 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:52,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:52,916 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:52,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:52,936 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:52,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:52,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425092645] [2021-06-11 19:04:52,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:52,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:52,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078509691] [2021-06-11 19:04:52,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:52,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:52,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:52,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:52,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:52,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 150 transitions, 3162 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:52,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:52,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:52,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:53,306 INFO L129 PetriNetUnfolder]: 277/1954 cut-off events. [2021-06-11 19:04:53,306 INFO L130 PetriNetUnfolder]: For 52802/53050 co-relation queries the response was YES. [2021-06-11 19:04:53,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12910 conditions, 1954 events. 277/1954 cut-off events. For 52802/53050 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 24026 event pairs, 42 based on Foata normal form. 2/1865 useless extension candidates. Maximal degree in co-relation 12830. Up to 474 conditions per place. [2021-06-11 19:04:53,341 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 180 selfloop transitions, 90 changer transitions 0/284 dead transitions. [2021-06-11 19:04:53,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 284 transitions, 7005 flow [2021-06-11 19:04:53,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:53,357 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:53,357 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:53,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:53,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:53,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:53,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:53,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:53,359 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:53,359 INFO L185 Difference]: Start difference. First operand has 174 places, 150 transitions, 3162 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:53,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 284 transitions, 7005 flow [2021-06-11 19:04:53,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 284 transitions, 6640 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-06-11 19:04:53,467 INFO L241 Difference]: Finished difference. Result has 183 places, 213 transitions, 4970 flow [2021-06-11 19:04:53,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2984, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4970, PETRI_PLACES=183, PETRI_TRANSITIONS=213} [2021-06-11 19:04:53,468 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 145 predicate places. [2021-06-11 19:04:53,468 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:53,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 213 transitions, 4970 flow [2021-06-11 19:04:53,468 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 213 transitions, 4970 flow [2021-06-11 19:04:53,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 213 transitions, 4970 flow [2021-06-11 19:04:53,635 INFO L129 PetriNetUnfolder]: 109/1632 cut-off events. [2021-06-11 19:04:53,635 INFO L130 PetriNetUnfolder]: For 35220/35613 co-relation queries the response was YES. [2021-06-11 19:04:53,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8627 conditions, 1632 events. 109/1632 cut-off events. For 35220/35613 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 21477 event pairs, 0 based on Foata normal form. 2/1565 useless extension candidates. Maximal degree in co-relation 8542. Up to 218 conditions per place. [2021-06-11 19:04:53,659 INFO L151 LiptonReduction]: Number of co-enabled transitions 1398 [2021-06-11 19:04:53,669 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:53,669 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:53,669 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 201 [2021-06-11 19:04:53,670 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 213 transitions, 4970 flow [2021-06-11 19:04:53,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:53,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:53,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:53,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 19:04:53,670 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:53,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1996286544, now seen corresponding path program 15 times [2021-06-11 19:04:53,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:53,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186512339] [2021-06-11 19:04:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:53,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:53,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:53,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:53,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:53,685 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:53,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:53,693 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:53,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:53,703 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:04:53,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:04:53,717 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:53,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:53,733 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:53,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:53,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186512339] [2021-06-11 19:04:53,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:53,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:53,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998156096] [2021-06-11 19:04:53,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:53,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:53,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:53,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:53,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:53,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 213 transitions, 4970 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:53,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:53,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:53,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:54,125 INFO L129 PetriNetUnfolder]: 303/2122 cut-off events. [2021-06-11 19:04:54,126 INFO L130 PetriNetUnfolder]: For 51998/52317 co-relation queries the response was YES. [2021-06-11 19:04:54,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13018 conditions, 2122 events. 303/2122 cut-off events. For 51998/52317 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 26692 event pairs, 113 based on Foata normal form. 19/2058 useless extension candidates. Maximal degree in co-relation 12932. Up to 365 conditions per place. [2021-06-11 19:04:54,145 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 147 changer transitions 1/226 dead transitions. [2021-06-11 19:04:54,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 226 transitions, 5690 flow [2021-06-11 19:04:54,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:54,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:54,146 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:54,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:54,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:54,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:54,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:54,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:54,148 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:54,148 INFO L185 Difference]: Start difference. First operand has 183 places, 213 transitions, 4970 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:54,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 226 transitions, 5690 flow [2021-06-11 19:04:54,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 226 transitions, 5660 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:54,287 INFO L241 Difference]: Finished difference. Result has 192 places, 216 transitions, 5331 flow [2021-06-11 19:04:54,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4946, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5331, PETRI_PLACES=192, PETRI_TRANSITIONS=216} [2021-06-11 19:04:54,288 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 154 predicate places. [2021-06-11 19:04:54,288 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:54,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 216 transitions, 5331 flow [2021-06-11 19:04:54,288 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 216 transitions, 5331 flow [2021-06-11 19:04:54,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 216 transitions, 5331 flow [2021-06-11 19:04:54,466 INFO L129 PetriNetUnfolder]: 109/1638 cut-off events. [2021-06-11 19:04:54,467 INFO L130 PetriNetUnfolder]: For 39451/39903 co-relation queries the response was YES. [2021-06-11 19:04:54,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9063 conditions, 1638 events. 109/1638 cut-off events. For 39451/39903 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 21570 event pairs, 0 based on Foata normal form. 3/1570 useless extension candidates. Maximal degree in co-relation 8975. Up to 218 conditions per place. [2021-06-11 19:04:54,492 INFO L151 LiptonReduction]: Number of co-enabled transitions 1434 [2021-06-11 19:04:54,501 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:54,501 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:54,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-06-11 19:04:54,502 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 216 transitions, 5331 flow [2021-06-11 19:04:54,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:54,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:54,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:54,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 19:04:54,502 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:54,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:54,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1618551422, now seen corresponding path program 16 times [2021-06-11 19:04:54,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:54,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661026349] [2021-06-11 19:04:54,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:54,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:54,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:54,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:54,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:54,523 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:54,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:54,533 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:54,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:54,547 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:54,566 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:54,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:54,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661026349] [2021-06-11 19:04:54,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:54,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:54,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576328026] [2021-06-11 19:04:54,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:54,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:54,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:54,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:54,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:54,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 216 transitions, 5331 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:54,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:54,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:54,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:55,011 INFO L129 PetriNetUnfolder]: 279/2263 cut-off events. [2021-06-11 19:04:55,011 INFO L130 PetriNetUnfolder]: For 63183/63502 co-relation queries the response was YES. [2021-06-11 19:04:55,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14820 conditions, 2263 events. 279/2263 cut-off events. For 63183/63502 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 29390 event pairs, 81 based on Foata normal form. 12/2181 useless extension candidates. Maximal degree in co-relation 14731. Up to 421 conditions per place. [2021-06-11 19:04:55,033 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 186 selfloop transitions, 102 changer transitions 0/302 dead transitions. [2021-06-11 19:04:55,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 302 transitions, 8153 flow [2021-06-11 19:04:55,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:55,034 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:55,034 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:55,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:55,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:55,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:55,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:55,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:55,035 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:55,035 INFO L185 Difference]: Start difference. First operand has 192 places, 216 transitions, 5331 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:55,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 302 transitions, 8153 flow [2021-06-11 19:04:55,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 302 transitions, 7766 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-06-11 19:04:55,201 INFO L241 Difference]: Finished difference. Result has 201 places, 255 transitions, 6508 flow [2021-06-11 19:04:55,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=5044, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6508, PETRI_PLACES=201, PETRI_TRANSITIONS=255} [2021-06-11 19:04:55,202 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 163 predicate places. [2021-06-11 19:04:55,202 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:55,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 255 transitions, 6508 flow [2021-06-11 19:04:55,202 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 255 transitions, 6508 flow [2021-06-11 19:04:55,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 255 transitions, 6508 flow [2021-06-11 19:04:55,479 INFO L129 PetriNetUnfolder]: 136/1990 cut-off events. [2021-06-11 19:04:55,479 INFO L130 PetriNetUnfolder]: For 53713/54143 co-relation queries the response was YES. [2021-06-11 19:04:55,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11394 conditions, 1990 events. 136/1990 cut-off events. For 53713/54143 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 27270 event pairs, 0 based on Foata normal form. 10/1932 useless extension candidates. Maximal degree in co-relation 11300. Up to 272 conditions per place. [2021-06-11 19:04:55,505 INFO L151 LiptonReduction]: Number of co-enabled transitions 1590 [2021-06-11 19:04:55,518 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:55,518 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:55,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 316 [2021-06-11 19:04:55,518 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 255 transitions, 6508 flow [2021-06-11 19:04:55,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:55,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:55,519 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:55,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 19:04:55,519 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:55,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:55,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1642344288, now seen corresponding path program 17 times [2021-06-11 19:04:55,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:55,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180821144] [2021-06-11 19:04:55,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:55,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:55,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:55,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:55,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:55,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:55,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:55,540 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:55,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:55,553 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:55,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:55,568 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:55,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:55,585 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:55,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:55,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180821144] [2021-06-11 19:04:55,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:55,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:55,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157263811] [2021-06-11 19:04:55,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:55,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:55,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:55,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:55,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:55,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 255 transitions, 6508 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:55,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:55,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:55,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:56,061 INFO L129 PetriNetUnfolder]: 267/2345 cut-off events. [2021-06-11 19:04:56,061 INFO L130 PetriNetUnfolder]: For 69756/70184 co-relation queries the response was YES. [2021-06-11 19:04:56,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15608 conditions, 2345 events. 267/2345 cut-off events. For 69756/70184 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 31067 event pairs, 124 based on Foata normal form. 23/2271 useless extension candidates. Maximal degree in co-relation 15513. Up to 365 conditions per place. [2021-06-11 19:04:56,086 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 76 selfloop transitions, 182 changer transitions 1/273 dead transitions. [2021-06-11 19:04:56,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 273 transitions, 7510 flow [2021-06-11 19:04:56,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:56,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:56,091 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:56,091 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:56,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:56,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:56,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:56,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:56,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:56,093 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:56,093 INFO L185 Difference]: Start difference. First operand has 201 places, 255 transitions, 6508 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:56,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 273 transitions, 7510 flow [2021-06-11 19:04:56,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 273 transitions, 7376 flow, removed 49 selfloop flow, removed 1 redundant places. [2021-06-11 19:04:56,310 INFO L241 Difference]: Finished difference. Result has 211 places, 262 transitions, 7018 flow [2021-06-11 19:04:56,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6374, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7018, PETRI_PLACES=211, PETRI_TRANSITIONS=262} [2021-06-11 19:04:56,311 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 173 predicate places. [2021-06-11 19:04:56,311 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:56,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 262 transitions, 7018 flow [2021-06-11 19:04:56,311 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 262 transitions, 7018 flow [2021-06-11 19:04:56,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 262 transitions, 7018 flow [2021-06-11 19:04:56,573 INFO L129 PetriNetUnfolder]: 136/2086 cut-off events. [2021-06-11 19:04:56,573 INFO L130 PetriNetUnfolder]: For 62862/63231 co-relation queries the response was YES. [2021-06-11 19:04:56,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12584 conditions, 2086 events. 136/2086 cut-off events. For 62862/63231 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28986 event pairs, 0 based on Foata normal form. 1/2015 useless extension candidates. Maximal degree in co-relation 12486. Up to 272 conditions per place. [2021-06-11 19:04:56,606 INFO L151 LiptonReduction]: Number of co-enabled transitions 1648 [2021-06-11 19:04:56,618 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:56,618 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:56,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-06-11 19:04:56,619 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 262 transitions, 7018 flow [2021-06-11 19:04:56,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:56,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:56,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:56,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 19:04:56,619 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:56,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:56,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1618713732, now seen corresponding path program 18 times [2021-06-11 19:04:56,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:56,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545498348] [2021-06-11 19:04:56,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:56,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:56,641 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:56,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:56,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:56,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:56,659 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:56,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:56,674 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:56,709 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:56,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:56,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545498348] [2021-06-11 19:04:56,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:56,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:56,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16998066] [2021-06-11 19:04:56,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:56,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:56,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:56,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:56,738 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:56,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 262 transitions, 7018 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:56,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:56,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:56,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:57,255 INFO L129 PetriNetUnfolder]: 264/2334 cut-off events. [2021-06-11 19:04:57,256 INFO L130 PetriNetUnfolder]: For 76510/77024 co-relation queries the response was YES. [2021-06-11 19:04:57,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16116 conditions, 2334 events. 264/2334 cut-off events. For 76510/77024 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 30903 event pairs, 114 based on Foata normal form. 24/2253 useless extension candidates. Maximal degree in co-relation 16017. Up to 379 conditions per place. [2021-06-11 19:04:57,276 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 122 selfloop transitions, 161 changer transitions 1/298 dead transitions. [2021-06-11 19:04:57,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 298 transitions, 8590 flow [2021-06-11 19:04:57,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:57,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:57,284 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:57,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:57,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:57,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:57,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:57,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:57,285 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:57,286 INFO L185 Difference]: Start difference. First operand has 211 places, 262 transitions, 7018 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:57,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 298 transitions, 8590 flow [2021-06-11 19:04:57,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 298 transitions, 8264 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-06-11 19:04:57,521 INFO L241 Difference]: Finished difference. Result has 219 places, 279 transitions, 7718 flow [2021-06-11 19:04:57,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6704, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7718, PETRI_PLACES=219, PETRI_TRANSITIONS=279} [2021-06-11 19:04:57,521 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 181 predicate places. [2021-06-11 19:04:57,521 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:57,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 279 transitions, 7718 flow [2021-06-11 19:04:57,522 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 279 transitions, 7718 flow [2021-06-11 19:04:57,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 279 transitions, 7718 flow [2021-06-11 19:04:57,791 INFO L129 PetriNetUnfolder]: 136/2084 cut-off events. [2021-06-11 19:04:57,792 INFO L130 PetriNetUnfolder]: For 68793/69179 co-relation queries the response was YES. [2021-06-11 19:04:57,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12933 conditions, 2084 events. 136/2084 cut-off events. For 68793/69179 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 28958 event pairs, 0 based on Foata normal form. 1/2018 useless extension candidates. Maximal degree in co-relation 12831. Up to 272 conditions per place. [2021-06-11 19:04:57,825 INFO L151 LiptonReduction]: Number of co-enabled transitions 1798 [2021-06-11 19:04:57,839 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:57,839 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:57,840 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 319 [2021-06-11 19:04:57,840 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 279 transitions, 7718 flow [2021-06-11 19:04:57,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:57,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:57,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:57,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 19:04:57,840 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:57,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:57,841 INFO L82 PathProgramCache]: Analyzing trace with hash -189128520, now seen corresponding path program 19 times [2021-06-11 19:04:57,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:57,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861403010] [2021-06-11 19:04:57,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:57,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:57,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:57,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:57,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:57,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:04:57,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:04:57,864 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:04:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:04:57,874 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:04:57,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:04:57,886 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:04:57,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:04:57,903 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:57,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861403010] [2021-06-11 19:04:57,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:57,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:57,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712787211] [2021-06-11 19:04:57,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:57,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:57,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:57,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:57,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:57,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 279 transitions, 7718 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:57,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:57,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:57,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:58,432 INFO L129 PetriNetUnfolder]: 267/2342 cut-off events. [2021-06-11 19:04:58,432 INFO L130 PetriNetUnfolder]: For 83190/83884 co-relation queries the response was YES. [2021-06-11 19:04:58,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16517 conditions, 2342 events. 267/2342 cut-off events. For 83190/83884 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 31006 event pairs, 124 based on Foata normal form. 31/2276 useless extension candidates. Maximal degree in co-relation 16414. Up to 364 conditions per place. [2021-06-11 19:04:58,457 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 81 selfloop transitions, 193 changer transitions 0/288 dead transitions. [2021-06-11 19:04:58,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 288 transitions, 8534 flow [2021-06-11 19:04:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:58,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:58,458 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:58,458 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:58,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:58,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:58,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:58,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:58,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:58,459 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:58,459 INFO L185 Difference]: Start difference. First operand has 219 places, 279 transitions, 7718 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:58,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 288 transitions, 8534 flow [2021-06-11 19:04:58,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 288 transitions, 8260 flow, removed 48 selfloop flow, removed 5 redundant places. [2021-06-11 19:04:58,711 INFO L241 Difference]: Finished difference. Result has 223 places, 282 transitions, 7940 flow [2021-06-11 19:04:58,712 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7444, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7940, PETRI_PLACES=223, PETRI_TRANSITIONS=282} [2021-06-11 19:04:58,712 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 185 predicate places. [2021-06-11 19:04:58,712 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:58,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 282 transitions, 7940 flow [2021-06-11 19:04:58,712 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 282 transitions, 7940 flow [2021-06-11 19:04:58,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 282 transitions, 7940 flow [2021-06-11 19:04:58,996 INFO L129 PetriNetUnfolder]: 136/2083 cut-off events. [2021-06-11 19:04:58,997 INFO L130 PetriNetUnfolder]: For 71029/71406 co-relation queries the response was YES. [2021-06-11 19:04:59,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13241 conditions, 2083 events. 136/2083 cut-off events. For 71029/71406 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28924 event pairs, 0 based on Foata normal form. 1/2019 useless extension candidates. Maximal degree in co-relation 13140. Up to 272 conditions per place. [2021-06-11 19:04:59,028 INFO L151 LiptonReduction]: Number of co-enabled transitions 1828 [2021-06-11 19:04:59,054 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:04:59,059 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:04:59,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 348 [2021-06-11 19:04:59,061 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 282 transitions, 7940 flow [2021-06-11 19:04:59,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:59,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:04:59,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:04:59,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 19:04:59,077 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:04:59,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:04:59,077 INFO L82 PathProgramCache]: Analyzing trace with hash -796340978, now seen corresponding path program 20 times [2021-06-11 19:04:59,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:04:59,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135380849] [2021-06-11 19:04:59,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:04:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:04:59,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:59,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:04:59,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:59,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:04:59,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:04:59,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:04:59,100 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:04:59,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:04:59,109 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:04:59,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:04:59,130 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:04:59,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:04:59,147 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:04:59,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:04:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:04:59,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135380849] [2021-06-11 19:04:59,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:04:59,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:04:59,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137480320] [2021-06-11 19:04:59,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:04:59,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:04:59,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:04:59,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:04:59,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:04:59,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 282 transitions, 7940 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:59,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:04:59,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:04:59,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:04:59,650 INFO L129 PetriNetUnfolder]: 265/2402 cut-off events. [2021-06-11 19:04:59,651 INFO L130 PetriNetUnfolder]: For 89402/90100 co-relation queries the response was YES. [2021-06-11 19:04:59,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17367 conditions, 2402 events. 265/2402 cut-off events. For 89402/90100 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 32102 event pairs, 99 based on Foata normal form. 18/2313 useless extension candidates. Maximal degree in co-relation 17265. Up to 401 conditions per place. [2021-06-11 19:04:59,711 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 197 selfloop transitions, 127 changer transitions 0/338 dead transitions. [2021-06-11 19:04:59,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 338 transitions, 10314 flow [2021-06-11 19:04:59,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:04:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:04:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:04:59,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:04:59,713 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:04:59,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:04:59,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:04:59,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:04:59,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:59,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:59,714 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:04:59,714 INFO L185 Difference]: Start difference. First operand has 223 places, 282 transitions, 7940 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:04:59,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 338 transitions, 10314 flow [2021-06-11 19:04:59,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 338 transitions, 9845 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-06-11 19:04:59,970 INFO L241 Difference]: Finished difference. Result has 230 places, 311 transitions, 8850 flow [2021-06-11 19:04:59,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7550, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8850, PETRI_PLACES=230, PETRI_TRANSITIONS=311} [2021-06-11 19:04:59,970 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 192 predicate places. [2021-06-11 19:04:59,970 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:04:59,971 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 311 transitions, 8850 flow [2021-06-11 19:04:59,971 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 311 transitions, 8850 flow [2021-06-11 19:04:59,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 311 transitions, 8850 flow [2021-06-11 19:05:00,315 INFO L129 PetriNetUnfolder]: 139/2161 cut-off events. [2021-06-11 19:05:00,315 INFO L130 PetriNetUnfolder]: For 79987/80371 co-relation queries the response was YES. [2021-06-11 19:05:00,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14168 conditions, 2161 events. 139/2161 cut-off events. For 79987/80371 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 30253 event pairs, 0 based on Foata normal form. 1/2092 useless extension candidates. Maximal degree in co-relation 14063. Up to 278 conditions per place. [2021-06-11 19:05:00,355 INFO L151 LiptonReduction]: Number of co-enabled transitions 1990 [2021-06-11 19:05:00,372 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:00,372 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:00,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-06-11 19:05:00,373 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 311 transitions, 8850 flow [2021-06-11 19:05:00,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:00,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:00,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:00,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 19:05:00,373 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:00,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:00,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2068408222, now seen corresponding path program 21 times [2021-06-11 19:05:00,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:00,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18415290] [2021-06-11 19:05:00,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:00,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:00,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:00,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:00,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:00,395 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:00,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:00,405 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:00,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:00,425 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:00,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:00,445 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:00,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:00,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18415290] [2021-06-11 19:05:00,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:00,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:00,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952262451] [2021-06-11 19:05:00,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:00,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:00,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:00,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:00,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:00,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 311 transitions, 8850 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:00,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:00,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:00,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:01,031 INFO L129 PetriNetUnfolder]: 253/2479 cut-off events. [2021-06-11 19:05:01,031 INFO L130 PetriNetUnfolder]: For 98927/99652 co-relation queries the response was YES. [2021-06-11 19:05:01,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18207 conditions, 2479 events. 253/2479 cut-off events. For 98927/99652 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33627 event pairs, 105 based on Foata normal form. 29/2388 useless extension candidates. Maximal degree in co-relation 18101. Up to 376 conditions per place. [2021-06-11 19:05:01,055 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 123 selfloop transitions, 201 changer transitions 0/338 dead transitions. [2021-06-11 19:05:01,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 338 transitions, 10217 flow [2021-06-11 19:05:01,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:01,056 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:01,056 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:01,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:01,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:01,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:01,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:01,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:01,057 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:01,058 INFO L185 Difference]: Start difference. First operand has 230 places, 311 transitions, 8850 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:01,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 338 transitions, 10217 flow [2021-06-11 19:05:01,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 338 transitions, 10019 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-06-11 19:05:01,389 INFO L241 Difference]: Finished difference. Result has 239 places, 322 transitions, 9408 flow [2021-06-11 19:05:01,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8660, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9408, PETRI_PLACES=239, PETRI_TRANSITIONS=322} [2021-06-11 19:05:01,389 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 201 predicate places. [2021-06-11 19:05:01,389 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:01,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 322 transitions, 9408 flow [2021-06-11 19:05:01,390 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 322 transitions, 9408 flow [2021-06-11 19:05:01,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 322 transitions, 9408 flow [2021-06-11 19:05:01,692 INFO L129 PetriNetUnfolder]: 139/2250 cut-off events. [2021-06-11 19:05:01,692 INFO L130 PetriNetUnfolder]: For 90711/91128 co-relation queries the response was YES. [2021-06-11 19:05:01,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15370 conditions, 2250 events. 139/2250 cut-off events. For 90711/91128 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 31804 event pairs, 0 based on Foata normal form. 2/2175 useless extension candidates. Maximal degree in co-relation 15261. Up to 278 conditions per place. [2021-06-11 19:05:01,730 INFO L151 LiptonReduction]: Number of co-enabled transitions 2106 [2021-06-11 19:05:01,747 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:01,747 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:01,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 359 [2021-06-11 19:05:01,748 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 322 transitions, 9408 flow [2021-06-11 19:05:01,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:01,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:01,748 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:01,748 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 19:05:01,748 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:01,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:01,749 INFO L82 PathProgramCache]: Analyzing trace with hash 365565104, now seen corresponding path program 22 times [2021-06-11 19:05:01,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:01,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044444468] [2021-06-11 19:05:01,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:01,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:01,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:01,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:01,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:01,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:01,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:01,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:01,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:01,781 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:01,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:01,793 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:01,812 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:01,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:01,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044444468] [2021-06-11 19:05:01,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:01,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:01,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725909135] [2021-06-11 19:05:01,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:01,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:01,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:01,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:01,830 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:01,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 322 transitions, 9408 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:01,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:01,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:01,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:02,413 INFO L129 PetriNetUnfolder]: 252/2479 cut-off events. [2021-06-11 19:05:02,414 INFO L130 PetriNetUnfolder]: For 105983/106706 co-relation queries the response was YES. [2021-06-11 19:05:02,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18740 conditions, 2479 events. 252/2479 cut-off events. For 105983/106706 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33672 event pairs, 113 based on Foata normal form. 29/2408 useless extension candidates. Maximal degree in co-relation 18630. Up to 396 conditions per place. [2021-06-11 19:05:02,442 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 199 changer transitions 0/351 dead transitions. [2021-06-11 19:05:02,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 351 transitions, 11012 flow [2021-06-11 19:05:02,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:02,450 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:02,450 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:02,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:02,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:02,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:02,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:02,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:02,464 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:02,464 INFO L185 Difference]: Start difference. First operand has 239 places, 322 transitions, 9408 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:02,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 351 transitions, 11012 flow [2021-06-11 19:05:02,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 351 transitions, 10807 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-06-11 19:05:02,763 INFO L241 Difference]: Finished difference. Result has 249 places, 330 transitions, 10065 flow [2021-06-11 19:05:02,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9203, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10065, PETRI_PLACES=249, PETRI_TRANSITIONS=330} [2021-06-11 19:05:02,764 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 211 predicate places. [2021-06-11 19:05:02,764 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:02,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 330 transitions, 10065 flow [2021-06-11 19:05:02,764 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 330 transitions, 10065 flow [2021-06-11 19:05:02,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 330 transitions, 10065 flow [2021-06-11 19:05:03,109 INFO L129 PetriNetUnfolder]: 139/2257 cut-off events. [2021-06-11 19:05:03,109 INFO L130 PetriNetUnfolder]: For 99962/100320 co-relation queries the response was YES. [2021-06-11 19:05:03,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16058 conditions, 2257 events. 139/2257 cut-off events. For 99962/100320 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 31864 event pairs, 0 based on Foata normal form. 1/2189 useless extension candidates. Maximal degree in co-relation 15944. Up to 278 conditions per place. [2021-06-11 19:05:03,148 INFO L151 LiptonReduction]: Number of co-enabled transitions 2174 [2021-06-11 19:05:03,167 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:03,167 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:03,167 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-06-11 19:05:03,167 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 330 transitions, 10065 flow [2021-06-11 19:05:03,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:03,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:03,167 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:03,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 19:05:03,168 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:03,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:03,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1897951838, now seen corresponding path program 23 times [2021-06-11 19:05:03,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:03,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111891434] [2021-06-11 19:05:03,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:03,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:03,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:03,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:03,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:03,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:03,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:03,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:03,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:03,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:03,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:03,211 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:03,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:03,233 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:03,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:03,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111891434] [2021-06-11 19:05:03,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:03,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:03,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611707368] [2021-06-11 19:05:03,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:03,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:03,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:03,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:03,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:03,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 330 transitions, 10065 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:03,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:03,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:03,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:03,849 INFO L129 PetriNetUnfolder]: 244/2523 cut-off events. [2021-06-11 19:05:03,850 INFO L130 PetriNetUnfolder]: For 117775/118531 co-relation queries the response was YES. [2021-06-11 19:05:03,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19741 conditions, 2523 events. 244/2523 cut-off events. For 117775/118531 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34538 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 19626. Up to 394 conditions per place. [2021-06-11 19:05:03,880 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 196 changer transitions 0/356 dead transitions. [2021-06-11 19:05:03,880 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 356 transitions, 11600 flow [2021-06-11 19:05:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:03,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:03,881 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:03,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:03,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:03,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:03,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:03,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:03,882 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:03,882 INFO L185 Difference]: Start difference. First operand has 249 places, 330 transitions, 10065 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:03,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 356 transitions, 11600 flow [2021-06-11 19:05:04,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 356 transitions, 11385 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-06-11 19:05:04,267 INFO L241 Difference]: Finished difference. Result has 258 places, 338 transitions, 10576 flow [2021-06-11 19:05:04,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9854, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10576, PETRI_PLACES=258, PETRI_TRANSITIONS=338} [2021-06-11 19:05:04,267 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 220 predicate places. [2021-06-11 19:05:04,267 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:04,267 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 338 transitions, 10576 flow [2021-06-11 19:05:04,268 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 338 transitions, 10576 flow [2021-06-11 19:05:04,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 338 transitions, 10576 flow [2021-06-11 19:05:04,656 INFO L129 PetriNetUnfolder]: 139/2320 cut-off events. [2021-06-11 19:05:04,657 INFO L130 PetriNetUnfolder]: For 110059/110419 co-relation queries the response was YES. [2021-06-11 19:05:04,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17102 conditions, 2320 events. 139/2320 cut-off events. For 110059/110419 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33038 event pairs, 0 based on Foata normal form. 0/2242 useless extension candidates. Maximal degree in co-relation 16984. Up to 278 conditions per place. [2021-06-11 19:05:04,701 INFO L151 LiptonReduction]: Number of co-enabled transitions 2252 [2021-06-11 19:05:04,721 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:04,721 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:04,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 454 [2021-06-11 19:05:04,722 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 338 transitions, 10576 flow [2021-06-11 19:05:04,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:04,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:04,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:04,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 19:05:04,722 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:04,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:04,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1929461150, now seen corresponding path program 24 times [2021-06-11 19:05:04,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:04,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444151295] [2021-06-11 19:05:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:04,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:04,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:04,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:04,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:04,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:04,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:04,755 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:04,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:04,780 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:04,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:04,797 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:04,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:04,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444151295] [2021-06-11 19:05:04,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:04,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:04,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476837305] [2021-06-11 19:05:04,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:04,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:04,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:04,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:04,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:04,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 338 transitions, 10576 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:04,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:04,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:04,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:05,475 INFO L129 PetriNetUnfolder]: 244/2522 cut-off events. [2021-06-11 19:05:05,475 INFO L130 PetriNetUnfolder]: For 123765/124473 co-relation queries the response was YES. [2021-06-11 19:05:05,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20173 conditions, 2522 events. 244/2522 cut-off events. For 123765/124473 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34552 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 20054. Up to 404 conditions per place. [2021-06-11 19:05:05,507 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 205 changer transitions 0/365 dead transitions. [2021-06-11 19:05:05,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 365 transitions, 12206 flow [2021-06-11 19:05:05,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:05,525 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:05,525 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:05,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:05,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:05,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:05,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:05,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:05,527 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:05,527 INFO L185 Difference]: Start difference. First operand has 258 places, 338 transitions, 10576 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:05,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 365 transitions, 12206 flow [2021-06-11 19:05:05,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 365 transitions, 11725 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:05,947 INFO L241 Difference]: Finished difference. Result has 265 places, 345 transitions, 10837 flow [2021-06-11 19:05:05,948 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10103, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10837, PETRI_PLACES=265, PETRI_TRANSITIONS=345} [2021-06-11 19:05:05,948 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 227 predicate places. [2021-06-11 19:05:05,948 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:05,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 345 transitions, 10837 flow [2021-06-11 19:05:05,949 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 345 transitions, 10837 flow [2021-06-11 19:05:05,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 345 transitions, 10837 flow [2021-06-11 19:05:06,339 INFO L129 PetriNetUnfolder]: 139/2319 cut-off events. [2021-06-11 19:05:06,339 INFO L130 PetriNetUnfolder]: For 116277/116635 co-relation queries the response was YES. [2021-06-11 19:05:06,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17356 conditions, 2319 events. 139/2319 cut-off events. For 116277/116635 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32997 event pairs, 0 based on Foata normal form. 0/2238 useless extension candidates. Maximal degree in co-relation 17234. Up to 278 conditions per place. [2021-06-11 19:05:06,377 INFO L151 LiptonReduction]: Number of co-enabled transitions 2332 [2021-06-11 19:05:06,397 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:06,397 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:06,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 449 [2021-06-11 19:05:06,397 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 345 transitions, 10837 flow [2021-06-11 19:05:06,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:06,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:06,398 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:06,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-06-11 19:05:06,398 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:06,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:06,398 INFO L82 PathProgramCache]: Analyzing trace with hash -2135503386, now seen corresponding path program 25 times [2021-06-11 19:05:06,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:06,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056538019] [2021-06-11 19:05:06,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:06,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:06,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:06,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:06,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:06,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:06,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:06,433 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:06,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:06,442 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:06,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:06,457 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:06,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:06,476 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:06,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:06,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056538019] [2021-06-11 19:05:06,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:06,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:06,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784561577] [2021-06-11 19:05:06,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:06,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:06,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:06,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:06,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:06,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 345 transitions, 10837 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:06,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:06,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:06,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:07,153 INFO L129 PetriNetUnfolder]: 244/2521 cut-off events. [2021-06-11 19:05:07,153 INFO L130 PetriNetUnfolder]: For 129629/130329 co-relation queries the response was YES. [2021-06-11 19:05:07,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20425 conditions, 2521 events. 244/2521 cut-off events. For 129629/130329 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34512 event pairs, 105 based on Foata normal form. 32/2433 useless extension candidates. Maximal degree in co-relation 20302. Up to 376 conditions per place. [2021-06-11 19:05:07,189 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 134 selfloop transitions, 213 changer transitions 0/361 dead transitions. [2021-06-11 19:05:07,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 361 transitions, 12106 flow [2021-06-11 19:05:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:07,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:07,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:07,190 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:07,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:07,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:07,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:07,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:07,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:07,191 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:07,191 INFO L185 Difference]: Start difference. First operand has 265 places, 345 transitions, 10837 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:07,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 361 transitions, 12106 flow [2021-06-11 19:05:07,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 361 transitions, 11887 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-06-11 19:05:07,660 INFO L241 Difference]: Finished difference. Result has 274 places, 354 transitions, 11446 flow [2021-06-11 19:05:07,660 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10618, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11446, PETRI_PLACES=274, PETRI_TRANSITIONS=354} [2021-06-11 19:05:07,660 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-06-11 19:05:07,660 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:07,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 354 transitions, 11446 flow [2021-06-11 19:05:07,660 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 354 transitions, 11446 flow [2021-06-11 19:05:07,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 274 places, 354 transitions, 11446 flow [2021-06-11 19:05:08,050 INFO L129 PetriNetUnfolder]: 139/2318 cut-off events. [2021-06-11 19:05:08,050 INFO L130 PetriNetUnfolder]: For 123255/123602 co-relation queries the response was YES. [2021-06-11 19:05:08,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17846 conditions, 2318 events. 139/2318 cut-off events. For 123255/123602 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33054 event pairs, 0 based on Foata normal form. 0/2244 useless extension candidates. Maximal degree in co-relation 17720. Up to 278 conditions per place. [2021-06-11 19:05:08,091 INFO L151 LiptonReduction]: Number of co-enabled transitions 2440 [2021-06-11 19:05:08,112 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:08,112 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:08,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-06-11 19:05:08,112 INFO L480 AbstractCegarLoop]: Abstraction has has 274 places, 354 transitions, 11446 flow [2021-06-11 19:05:08,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:08,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:08,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:08,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-06-11 19:05:08,113 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:08,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:08,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1513075010, now seen corresponding path program 26 times [2021-06-11 19:05:08,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:08,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035433542] [2021-06-11 19:05:08,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:08,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:08,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:08,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:08,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:08,127 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:08,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:08,134 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:08,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:08,143 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:08,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:08,171 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:08,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:08,190 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:08,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:08,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035433542] [2021-06-11 19:05:08,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:08,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:08,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507241130] [2021-06-11 19:05:08,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:08,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:08,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:08,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:08,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:08,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 354 transitions, 11446 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:08,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:08,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:08,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:08,841 INFO L129 PetriNetUnfolder]: 244/2520 cut-off events. [2021-06-11 19:05:08,841 INFO L130 PetriNetUnfolder]: For 137470/138170 co-relation queries the response was YES. [2021-06-11 19:05:08,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20913 conditions, 2520 events. 244/2520 cut-off events. For 137470/138170 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34502 event pairs, 105 based on Foata normal form. 32/2443 useless extension candidates. Maximal degree in co-relation 20786. Up to 376 conditions per place. [2021-06-11 19:05:08,872 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 216 changer transitions 0/361 dead transitions. [2021-06-11 19:05:08,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 361 transitions, 12438 flow [2021-06-11 19:05:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:08,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:08,873 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:08,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:08,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:08,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:08,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:08,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:08,875 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:08,875 INFO L185 Difference]: Start difference. First operand has 274 places, 354 transitions, 11446 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:08,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 361 transitions, 12438 flow [2021-06-11 19:05:09,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 361 transitions, 12087 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-06-11 19:05:09,393 INFO L241 Difference]: Finished difference. Result has 280 places, 357 transitions, 11663 flow [2021-06-11 19:05:09,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11095, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11663, PETRI_PLACES=280, PETRI_TRANSITIONS=357} [2021-06-11 19:05:09,393 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 242 predicate places. [2021-06-11 19:05:09,393 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:09,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 357 transitions, 11663 flow [2021-06-11 19:05:09,394 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 357 transitions, 11663 flow [2021-06-11 19:05:09,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 357 transitions, 11663 flow [2021-06-11 19:05:09,775 INFO L129 PetriNetUnfolder]: 139/2317 cut-off events. [2021-06-11 19:05:09,776 INFO L130 PetriNetUnfolder]: For 129885/130281 co-relation queries the response was YES. [2021-06-11 19:05:09,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18180 conditions, 2317 events. 139/2317 cut-off events. For 129885/130281 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33008 event pairs, 0 based on Foata normal form. 1/2237 useless extension candidates. Maximal degree in co-relation 18052. Up to 278 conditions per place. [2021-06-11 19:05:09,817 INFO L151 LiptonReduction]: Number of co-enabled transitions 2466 [2021-06-11 19:05:09,837 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:09,837 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:09,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 444 [2021-06-11 19:05:09,838 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 357 transitions, 11663 flow [2021-06-11 19:05:09,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:09,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:09,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:09,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 19:05:09,838 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:09,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:09,838 INFO L82 PathProgramCache]: Analyzing trace with hash -819346082, now seen corresponding path program 27 times [2021-06-11 19:05:09,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:09,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471977970] [2021-06-11 19:05:09,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:09,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:09,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:09,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:09,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:09,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:09,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:09,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:09,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:09,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:09,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:09,886 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:09,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:09,904 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:09,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:09,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471977970] [2021-06-11 19:05:09,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:09,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:09,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221550953] [2021-06-11 19:05:09,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:09,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:09,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:09,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:09,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:09,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 357 transitions, 11663 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:09,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:09,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:09,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:10,564 INFO L129 PetriNetUnfolder]: 244/2519 cut-off events. [2021-06-11 19:05:10,565 INFO L130 PetriNetUnfolder]: For 143449/144139 co-relation queries the response was YES. [2021-06-11 19:05:10,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21245 conditions, 2519 events. 244/2519 cut-off events. For 143449/144139 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34459 event pairs, 105 based on Foata normal form. 32/2442 useless extension candidates. Maximal degree in co-relation 21116. Up to 376 conditions per place. [2021-06-11 19:05:10,596 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 137 selfloop transitions, 213 changer transitions 0/364 dead transitions. [2021-06-11 19:05:10,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 364 transitions, 12665 flow [2021-06-11 19:05:10,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:10,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:10,598 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:10,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:10,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:10,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:10,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:10,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:10,599 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:10,599 INFO L185 Difference]: Start difference. First operand has 280 places, 357 transitions, 11663 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:10,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 364 transitions, 12665 flow [2021-06-11 19:05:11,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 364 transitions, 12260 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:11,213 INFO L241 Difference]: Finished difference. Result has 285 places, 360 transitions, 11813 flow [2021-06-11 19:05:11,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11258, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11813, PETRI_PLACES=285, PETRI_TRANSITIONS=360} [2021-06-11 19:05:11,213 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 247 predicate places. [2021-06-11 19:05:11,214 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:11,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 360 transitions, 11813 flow [2021-06-11 19:05:11,214 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 360 transitions, 11813 flow [2021-06-11 19:05:11,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 285 places, 360 transitions, 11813 flow [2021-06-11 19:05:11,613 INFO L129 PetriNetUnfolder]: 139/2316 cut-off events. [2021-06-11 19:05:11,613 INFO L130 PetriNetUnfolder]: For 134813/135167 co-relation queries the response was YES. [2021-06-11 19:05:11,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18426 conditions, 2316 events. 139/2316 cut-off events. For 134813/135167 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33009 event pairs, 0 based on Foata normal form. 0/2237 useless extension candidates. Maximal degree in co-relation 18296. Up to 278 conditions per place. [2021-06-11 19:05:11,664 INFO L151 LiptonReduction]: Number of co-enabled transitions 2490 [2021-06-11 19:05:11,686 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:11,686 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:11,686 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 473 [2021-06-11 19:05:11,686 INFO L480 AbstractCegarLoop]: Abstraction has has 285 places, 360 transitions, 11813 flow [2021-06-11 19:05:11,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:11,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:11,687 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:11,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-06-11 19:05:11,687 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:11,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:11,687 INFO L82 PathProgramCache]: Analyzing trace with hash 583939516, now seen corresponding path program 28 times [2021-06-11 19:05:11,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:11,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186327038] [2021-06-11 19:05:11,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:11,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:11,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:11,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:11,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:11,703 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:11,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:11,710 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:11,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:11,735 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:05:11,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:05:11,749 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:11,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:11,770 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:11,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:11,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186327038] [2021-06-11 19:05:11,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:11,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:11,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341693137] [2021-06-11 19:05:11,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:11,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:11,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:11,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:11,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:11,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 360 transitions, 11813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:11,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:11,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:11,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:12,464 INFO L129 PetriNetUnfolder]: 244/2518 cut-off events. [2021-06-11 19:05:12,464 INFO L130 PetriNetUnfolder]: For 149482/150168 co-relation queries the response was YES. [2021-06-11 19:05:12,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21489 conditions, 2518 events. 244/2518 cut-off events. For 149482/150168 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34434 event pairs, 105 based on Foata normal form. 30/2439 useless extension candidates. Maximal degree in co-relation 21358. Up to 376 conditions per place. [2021-06-11 19:05:12,497 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 219 changer transitions 0/364 dead transitions. [2021-06-11 19:05:12,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 364 transitions, 12729 flow [2021-06-11 19:05:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:12,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:12,498 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:12,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:12,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:12,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:12,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:12,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:12,499 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:12,499 INFO L185 Difference]: Start difference. First operand has 285 places, 360 transitions, 11813 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:12,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 364 transitions, 12729 flow [2021-06-11 19:05:12,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 364 transitions, 12335 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:12,974 INFO L241 Difference]: Finished difference. Result has 289 places, 360 transitions, 11860 flow [2021-06-11 19:05:12,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11419, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11860, PETRI_PLACES=289, PETRI_TRANSITIONS=360} [2021-06-11 19:05:12,975 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 251 predicate places. [2021-06-11 19:05:12,975 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:12,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 360 transitions, 11860 flow [2021-06-11 19:05:12,975 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 360 transitions, 11860 flow [2021-06-11 19:05:12,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 360 transitions, 11860 flow [2021-06-11 19:05:13,324 INFO L129 PetriNetUnfolder]: 139/2315 cut-off events. [2021-06-11 19:05:13,324 INFO L130 PetriNetUnfolder]: For 141222/141618 co-relation queries the response was YES. [2021-06-11 19:05:13,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18665 conditions, 2315 events. 139/2315 cut-off events. For 141222/141618 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32930 event pairs, 0 based on Foata normal form. 1/2240 useless extension candidates. Maximal degree in co-relation 18534. Up to 278 conditions per place. [2021-06-11 19:05:13,368 INFO L151 LiptonReduction]: Number of co-enabled transitions 2490 [2021-06-11 19:05:13,389 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:13,389 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:13,390 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 415 [2021-06-11 19:05:13,390 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 360 transitions, 11860 flow [2021-06-11 19:05:13,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:13,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:13,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:13,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 19:05:13,390 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:13,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:13,391 INFO L82 PathProgramCache]: Analyzing trace with hash -410719532, now seen corresponding path program 29 times [2021-06-11 19:05:13,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:13,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572488982] [2021-06-11 19:05:13,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:13,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:13,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:13,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:13,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:13,410 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:13,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:13,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:13,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:13,426 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:13,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:13,470 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:13,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:13,494 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:13,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:13,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:13,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572488982] [2021-06-11 19:05:13,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:13,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:13,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205096440] [2021-06-11 19:05:13,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:13,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:13,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:13,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:13,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:13,513 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 360 transitions, 11860 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:13,513 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:13,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:13,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:14,108 INFO L129 PetriNetUnfolder]: 244/2517 cut-off events. [2021-06-11 19:05:14,108 INFO L130 PetriNetUnfolder]: For 155333/156019 co-relation queries the response was YES. [2021-06-11 19:05:14,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21726 conditions, 2517 events. 244/2517 cut-off events. For 155333/156019 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34466 event pairs, 105 based on Foata normal form. 30/2438 useless extension candidates. Maximal degree in co-relation 21594. Up to 404 conditions per place. [2021-06-11 19:05:14,140 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 153 selfloop transitions, 209 changer transitions 0/376 dead transitions. [2021-06-11 19:05:14,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 376 transitions, 13182 flow [2021-06-11 19:05:14,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:14,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:14,141 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:14,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:14,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:14,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:14,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:14,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:14,143 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:14,143 INFO L185 Difference]: Start difference. First operand has 289 places, 360 transitions, 11860 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:14,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 376 transitions, 13182 flow [2021-06-11 19:05:14,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 376 transitions, 12771 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:14,658 INFO L241 Difference]: Finished difference. Result has 293 places, 360 transitions, 11870 flow [2021-06-11 19:05:14,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11449, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11870, PETRI_PLACES=293, PETRI_TRANSITIONS=360} [2021-06-11 19:05:14,658 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 255 predicate places. [2021-06-11 19:05:14,658 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:14,659 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 360 transitions, 11870 flow [2021-06-11 19:05:14,659 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 360 transitions, 11870 flow [2021-06-11 19:05:14,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 360 transitions, 11870 flow [2021-06-11 19:05:15,028 INFO L129 PetriNetUnfolder]: 139/2314 cut-off events. [2021-06-11 19:05:15,028 INFO L130 PetriNetUnfolder]: For 147072/147426 co-relation queries the response was YES. [2021-06-11 19:05:15,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18879 conditions, 2314 events. 139/2314 cut-off events. For 147072/147426 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32956 event pairs, 0 based on Foata normal form. 0/2236 useless extension candidates. Maximal degree in co-relation 18747. Up to 278 conditions per place. [2021-06-11 19:05:15,075 INFO L151 LiptonReduction]: Number of co-enabled transitions 2490 [2021-06-11 19:05:15,097 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:15,097 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:15,097 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-06-11 19:05:15,097 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 360 transitions, 11870 flow [2021-06-11 19:05:15,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:15,098 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:15,098 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:15,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 19:05:15,098 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:15,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:15,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1868542390, now seen corresponding path program 30 times [2021-06-11 19:05:15,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:15,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673359547] [2021-06-11 19:05:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:15,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:15,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:15,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:15,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:15,125 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:15,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:15,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:15,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:15,148 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:15,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:15,160 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:15,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:15,178 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:15,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:15,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673359547] [2021-06-11 19:05:15,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:15,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:15,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083871487] [2021-06-11 19:05:15,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:15,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:15,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:15,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:15,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:15,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 360 transitions, 11870 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:15,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:15,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:15,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:15,872 INFO L129 PetriNetUnfolder]: 244/2516 cut-off events. [2021-06-11 19:05:15,872 INFO L130 PetriNetUnfolder]: For 161370/162060 co-relation queries the response was YES. [2021-06-11 19:05:15,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21938 conditions, 2516 events. 244/2516 cut-off events. For 161370/162060 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34438 event pairs, 105 based on Foata normal form. 32/2439 useless extension candidates. Maximal degree in co-relation 21805. Up to 404 conditions per place. [2021-06-11 19:05:15,903 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 154 selfloop transitions, 211 changer transitions 0/379 dead transitions. [2021-06-11 19:05:15,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 379 transitions, 13298 flow [2021-06-11 19:05:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:15,904 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:15,904 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:15,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:15,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:15,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:15,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:15,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:15,905 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:15,905 INFO L185 Difference]: Start difference. First operand has 293 places, 360 transitions, 11870 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:15,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 379 transitions, 13298 flow [2021-06-11 19:05:16,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 379 transitions, 12675 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-06-11 19:05:16,418 INFO L241 Difference]: Finished difference. Result has 292 places, 363 transitions, 11795 flow [2021-06-11 19:05:16,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11247, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11795, PETRI_PLACES=292, PETRI_TRANSITIONS=363} [2021-06-11 19:05:16,419 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 254 predicate places. [2021-06-11 19:05:16,419 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:16,419 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 363 transitions, 11795 flow [2021-06-11 19:05:16,419 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 363 transitions, 11795 flow [2021-06-11 19:05:16,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 363 transitions, 11795 flow [2021-06-11 19:05:16,779 INFO L129 PetriNetUnfolder]: 139/2313 cut-off events. [2021-06-11 19:05:16,779 INFO L130 PetriNetUnfolder]: For 150877/151229 co-relation queries the response was YES. [2021-06-11 19:05:16,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18980 conditions, 2313 events. 139/2313 cut-off events. For 150877/151229 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32950 event pairs, 0 based on Foata normal form. 0/2230 useless extension candidates. Maximal degree in co-relation 18851. Up to 278 conditions per place. [2021-06-11 19:05:16,825 INFO L151 LiptonReduction]: Number of co-enabled transitions 2514 [2021-06-11 19:05:16,847 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:16,847 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:16,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 428 [2021-06-11 19:05:16,847 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 363 transitions, 11795 flow [2021-06-11 19:05:16,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:16,848 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:16,848 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:16,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 19:05:16,848 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:16,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:16,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1516166888, now seen corresponding path program 31 times [2021-06-11 19:05:16,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:16,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475029577] [2021-06-11 19:05:16,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:16,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:16,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:16,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:16,862 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:16,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:16,869 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:16,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:16,881 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:16,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:16,894 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:16,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:16,913 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:16,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:16,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475029577] [2021-06-11 19:05:16,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:16,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:16,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063698717] [2021-06-11 19:05:16,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:16,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:16,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:16,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:16,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:16,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 363 transitions, 11795 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:16,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:16,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:16,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:17,576 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-06-11 19:05:17,576 INFO L130 PetriNetUnfolder]: For 166123/166813 co-relation queries the response was YES. [2021-06-11 19:05:17,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22037 conditions, 2515 events. 244/2515 cut-off events. For 166123/166813 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34377 event pairs, 105 based on Foata normal form. 32/2438 useless extension candidates. Maximal degree in co-relation 21907. Up to 404 conditions per place. [2021-06-11 19:05:17,657 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 219 changer transitions 0/379 dead transitions. [2021-06-11 19:05:17,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 379 transitions, 13145 flow [2021-06-11 19:05:17,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:17,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:17,659 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:17,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:17,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:17,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:17,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:17,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:17,660 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:17,660 INFO L185 Difference]: Start difference. First operand has 292 places, 363 transitions, 11795 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:17,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 379 transitions, 13145 flow [2021-06-11 19:05:18,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 379 transitions, 12756 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:18,345 INFO L241 Difference]: Finished difference. Result has 297 places, 375 transitions, 12316 flow [2021-06-11 19:05:18,345 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11406, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12316, PETRI_PLACES=297, PETRI_TRANSITIONS=375} [2021-06-11 19:05:18,345 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 259 predicate places. [2021-06-11 19:05:18,345 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:18,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 375 transitions, 12316 flow [2021-06-11 19:05:18,345 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 375 transitions, 12316 flow [2021-06-11 19:05:18,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 375 transitions, 12316 flow [2021-06-11 19:05:18,706 INFO L129 PetriNetUnfolder]: 139/2312 cut-off events. [2021-06-11 19:05:18,706 INFO L130 PetriNetUnfolder]: For 158888/159231 co-relation queries the response was YES. [2021-06-11 19:05:18,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19255 conditions, 2312 events. 139/2312 cut-off events. For 158888/159231 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32916 event pairs, 0 based on Foata normal form. 0/2236 useless extension candidates. Maximal degree in co-relation 19124. Up to 278 conditions per place. [2021-06-11 19:05:18,751 INFO L151 LiptonReduction]: Number of co-enabled transitions 2616 [2021-06-11 19:05:18,774 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:18,774 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:18,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-06-11 19:05:18,774 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 375 transitions, 12316 flow [2021-06-11 19:05:18,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:18,774 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:18,774 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:18,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-11 19:05:18,774 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:18,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:18,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1792424652, now seen corresponding path program 32 times [2021-06-11 19:05:18,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:18,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220139071] [2021-06-11 19:05:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:18,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:18,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:18,788 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:18,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:18,805 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:18,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:18,819 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:18,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:18,839 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:18,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:18,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220139071] [2021-06-11 19:05:18,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:18,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:18,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075873107] [2021-06-11 19:05:18,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:18,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:18,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:18,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:18,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:18,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 375 transitions, 12316 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:18,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:18,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:18,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:19,529 INFO L129 PetriNetUnfolder]: 244/2514 cut-off events. [2021-06-11 19:05:19,529 INFO L130 PetriNetUnfolder]: For 173746/174436 co-relation queries the response was YES. [2021-06-11 19:05:19,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22310 conditions, 2514 events. 244/2514 cut-off events. For 173746/174436 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34394 event pairs, 105 based on Foata normal form. 32/2438 useless extension candidates. Maximal degree in co-relation 22178. Up to 404 conditions per place. [2021-06-11 19:05:19,562 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 148 selfloop transitions, 217 changer transitions 0/379 dead transitions. [2021-06-11 19:05:19,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 379 transitions, 13294 flow [2021-06-11 19:05:19,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:19,563 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:19,563 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:19,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:19,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:19,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:19,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:19,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:19,564 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:19,564 INFO L185 Difference]: Start difference. First operand has 297 places, 375 transitions, 12316 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:19,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 379 transitions, 13294 flow [2021-06-11 19:05:20,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 379 transitions, 12962 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 19:05:20,146 INFO L241 Difference]: Finished difference. Result has 302 places, 375 transitions, 12421 flow [2021-06-11 19:05:20,147 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11984, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12421, PETRI_PLACES=302, PETRI_TRANSITIONS=375} [2021-06-11 19:05:20,147 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 264 predicate places. [2021-06-11 19:05:20,147 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:20,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 375 transitions, 12421 flow [2021-06-11 19:05:20,147 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 375 transitions, 12421 flow [2021-06-11 19:05:20,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 375 transitions, 12421 flow [2021-06-11 19:05:20,519 INFO L129 PetriNetUnfolder]: 139/2311 cut-off events. [2021-06-11 19:05:20,519 INFO L130 PetriNetUnfolder]: For 164690/165042 co-relation queries the response was YES. [2021-06-11 19:05:20,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19563 conditions, 2311 events. 139/2311 cut-off events. For 164690/165042 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32937 event pairs, 0 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 19431. Up to 278 conditions per place. [2021-06-11 19:05:20,566 INFO L151 LiptonReduction]: Number of co-enabled transitions 2616 [2021-06-11 19:05:20,589 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:20,590 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:20,590 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-06-11 19:05:20,590 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 375 transitions, 12421 flow [2021-06-11 19:05:20,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:20,590 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:20,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:20,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-11 19:05:20,590 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:20,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:20,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1111898804, now seen corresponding path program 33 times [2021-06-11 19:05:20,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:20,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136072418] [2021-06-11 19:05:20,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:20,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:20,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:20,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:20,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:20,604 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:20,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:20,611 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:20,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:20,620 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:20,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:20,643 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:20,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:20,661 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:20,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136072418] [2021-06-11 19:05:20,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:20,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:20,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781298200] [2021-06-11 19:05:20,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:20,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:20,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:20,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:20,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:20,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 375 transitions, 12421 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:20,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:20,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:20,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:21,361 INFO L129 PetriNetUnfolder]: 244/2513 cut-off events. [2021-06-11 19:05:21,361 INFO L130 PetriNetUnfolder]: For 180415/181101 co-relation queries the response was YES. [2021-06-11 19:05:21,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22616 conditions, 2513 events. 244/2513 cut-off events. For 180415/181101 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34386 event pairs, 105 based on Foata normal form. 30/2434 useless extension candidates. Maximal degree in co-relation 22483. Up to 394 conditions per place. [2021-06-11 19:05:21,393 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 159 selfloop transitions, 212 changer transitions 0/385 dead transitions. [2021-06-11 19:05:21,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 385 transitions, 13639 flow [2021-06-11 19:05:21,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:21,394 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:21,394 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:21,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:21,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:21,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:21,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:21,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:21,395 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:21,395 INFO L185 Difference]: Start difference. First operand has 302 places, 375 transitions, 12421 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:21,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 385 transitions, 13639 flow [2021-06-11 19:05:21,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 385 transitions, 13226 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:21,999 INFO L241 Difference]: Finished difference. Result has 307 places, 378 transitions, 12604 flow [2021-06-11 19:05:22,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12020, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12604, PETRI_PLACES=307, PETRI_TRANSITIONS=378} [2021-06-11 19:05:22,000 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 269 predicate places. [2021-06-11 19:05:22,000 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:22,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 378 transitions, 12604 flow [2021-06-11 19:05:22,000 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 378 transitions, 12604 flow [2021-06-11 19:05:22,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 378 transitions, 12604 flow [2021-06-11 19:05:22,429 INFO L129 PetriNetUnfolder]: 139/2310 cut-off events. [2021-06-11 19:05:22,429 INFO L130 PetriNetUnfolder]: For 172040/172383 co-relation queries the response was YES. [2021-06-11 19:05:22,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19803 conditions, 2310 events. 139/2310 cut-off events. For 172040/172383 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32885 event pairs, 0 based on Foata normal form. 0/2234 useless extension candidates. Maximal degree in co-relation 19669. Up to 278 conditions per place. [2021-06-11 19:05:22,483 INFO L151 LiptonReduction]: Number of co-enabled transitions 2650 [2021-06-11 19:05:22,506 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:22,507 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:22,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 507 [2021-06-11 19:05:22,507 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 378 transitions, 12604 flow [2021-06-11 19:05:22,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:22,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:22,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:22,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-11 19:05:22,521 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:22,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:22,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1093985606, now seen corresponding path program 34 times [2021-06-11 19:05:22,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:22,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412390815] [2021-06-11 19:05:22,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:22,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:22,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:22,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:22,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:22,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:22,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:22,549 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:22,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:22,560 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:22,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:22,575 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:22,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:22,603 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:22,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:22,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412390815] [2021-06-11 19:05:22,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:22,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:22,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352135074] [2021-06-11 19:05:22,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:22,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:22,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:22,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:22,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:22,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 378 transitions, 12604 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:22,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:22,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:22,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:23,334 INFO L129 PetriNetUnfolder]: 244/2512 cut-off events. [2021-06-11 19:05:23,334 INFO L130 PetriNetUnfolder]: For 187485/188179 co-relation queries the response was YES. [2021-06-11 19:05:23,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22854 conditions, 2512 events. 244/2512 cut-off events. For 187485/188179 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34356 event pairs, 105 based on Foata normal form. 30/2433 useless extension candidates. Maximal degree in co-relation 22719. Up to 394 conditions per place. [2021-06-11 19:05:23,367 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 165 selfloop transitions, 206 changer transitions 0/385 dead transitions. [2021-06-11 19:05:23,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 385 transitions, 13700 flow [2021-06-11 19:05:23,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:23,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:23,368 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:23,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:23,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:23,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:23,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:23,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:23,370 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:23,370 INFO L185 Difference]: Start difference. First operand has 307 places, 378 transitions, 12604 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:23,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 385 transitions, 13700 flow [2021-06-11 19:05:23,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 385 transitions, 13451 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-06-11 19:05:23,911 INFO L241 Difference]: Finished difference. Result has 313 places, 381 transitions, 12918 flow [2021-06-11 19:05:23,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12355, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12918, PETRI_PLACES=313, PETRI_TRANSITIONS=381} [2021-06-11 19:05:23,911 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 275 predicate places. [2021-06-11 19:05:23,911 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:23,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 381 transitions, 12918 flow [2021-06-11 19:05:23,912 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 381 transitions, 12918 flow [2021-06-11 19:05:23,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 381 transitions, 12918 flow [2021-06-11 19:05:24,293 INFO L129 PetriNetUnfolder]: 139/2309 cut-off events. [2021-06-11 19:05:24,293 INFO L130 PetriNetUnfolder]: For 181477/181810 co-relation queries the response was YES. [2021-06-11 19:05:24,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20186 conditions, 2309 events. 139/2309 cut-off events. For 181477/181810 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32881 event pairs, 0 based on Foata normal form. 0/2234 useless extension candidates. Maximal degree in co-relation 20050. Up to 278 conditions per place. [2021-06-11 19:05:24,339 INFO L151 LiptonReduction]: Number of co-enabled transitions 2682 [2021-06-11 19:05:24,363 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:24,363 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:24,363 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-06-11 19:05:24,363 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 381 transitions, 12918 flow [2021-06-11 19:05:24,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:24,364 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:24,364 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:24,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-11 19:05:24,364 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:24,364 INFO L82 PathProgramCache]: Analyzing trace with hash 768911008, now seen corresponding path program 35 times [2021-06-11 19:05:24,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:24,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079475937] [2021-06-11 19:05:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:24,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:24,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:24,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:24,377 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:24,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:24,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:24,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:24,391 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:24,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:24,421 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:24,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:24,498 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:24,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:24,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079475937] [2021-06-11 19:05:24,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:24,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:24,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213343184] [2021-06-11 19:05:24,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:24,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:24,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:24,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:24,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:24,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 381 transitions, 12918 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:24,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:24,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:24,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:25,200 INFO L129 PetriNetUnfolder]: 244/2511 cut-off events. [2021-06-11 19:05:25,200 INFO L130 PetriNetUnfolder]: For 196472/197186 co-relation queries the response was YES. [2021-06-11 19:05:25,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23235 conditions, 2511 events. 244/2511 cut-off events. For 196472/197186 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 34323 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 23098. Up to 394 conditions per place. [2021-06-11 19:05:25,232 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 167 selfloop transitions, 204 changer transitions 0/385 dead transitions. [2021-06-11 19:05:25,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 385 transitions, 13932 flow [2021-06-11 19:05:25,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:25,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:25,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:25,234 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:25,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:25,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:25,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:25,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:25,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:25,235 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:25,235 INFO L185 Difference]: Start difference. First operand has 313 places, 381 transitions, 12918 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:25,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 385 transitions, 13932 flow [2021-06-11 19:05:25,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 385 transitions, 13439 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-06-11 19:05:25,972 INFO L241 Difference]: Finished difference. Result has 315 places, 381 transitions, 12836 flow [2021-06-11 19:05:25,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12425, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12836, PETRI_PLACES=315, PETRI_TRANSITIONS=381} [2021-06-11 19:05:25,973 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 277 predicate places. [2021-06-11 19:05:25,973 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:25,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 381 transitions, 12836 flow [2021-06-11 19:05:25,973 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 381 transitions, 12836 flow [2021-06-11 19:05:25,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 381 transitions, 12836 flow [2021-06-11 19:05:26,353 INFO L129 PetriNetUnfolder]: 139/2308 cut-off events. [2021-06-11 19:05:26,353 INFO L130 PetriNetUnfolder]: For 186658/186999 co-relation queries the response was YES. [2021-06-11 19:05:26,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20368 conditions, 2308 events. 139/2308 cut-off events. For 186658/186999 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32953 event pairs, 0 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 20233. Up to 278 conditions per place. [2021-06-11 19:05:26,400 INFO L151 LiptonReduction]: Number of co-enabled transitions 2682 [2021-06-11 19:05:26,424 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:26,424 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:26,424 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 451 [2021-06-11 19:05:26,425 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 381 transitions, 12836 flow [2021-06-11 19:05:26,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:26,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:26,425 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:26,425 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-11 19:05:26,425 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:26,425 INFO L82 PathProgramCache]: Analyzing trace with hash -854709530, now seen corresponding path program 36 times [2021-06-11 19:05:26,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:26,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126848357] [2021-06-11 19:05:26,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:26,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:26,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:26,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:26,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:05:26,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:05:26,446 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:05:26,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:05:26,455 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:26,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:26,467 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:26,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:26,494 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:26,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:26,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:26,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126848357] [2021-06-11 19:05:26,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:26,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:26,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611215019] [2021-06-11 19:05:26,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:26,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:26,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:26,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:26,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:26,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 381 transitions, 12836 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:26,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:26,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:26,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:27,231 INFO L129 PetriNetUnfolder]: 244/2510 cut-off events. [2021-06-11 19:05:27,231 INFO L130 PetriNetUnfolder]: For 202432/203138 co-relation queries the response was YES. [2021-06-11 19:05:27,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23415 conditions, 2510 events. 244/2510 cut-off events. For 202432/203138 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 34334 event pairs, 105 based on Foata normal form. 32/2433 useless extension candidates. Maximal degree in co-relation 23279. Up to 394 conditions per place. [2021-06-11 19:05:27,264 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 180 changer transitions 53/385 dead transitions. [2021-06-11 19:05:27,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 385 transitions, 13858 flow [2021-06-11 19:05:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:27,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:27,265 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:27,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:27,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:27,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:27,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:27,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:27,266 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:27,266 INFO L185 Difference]: Start difference. First operand has 315 places, 381 transitions, 12836 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:27,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 385 transitions, 13858 flow [2021-06-11 19:05:28,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 385 transitions, 13477 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:28,030 INFO L241 Difference]: Finished difference. Result has 319 places, 328 transitions, 10537 flow [2021-06-11 19:05:28,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12455, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10537, PETRI_PLACES=319, PETRI_TRANSITIONS=328} [2021-06-11 19:05:28,031 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 281 predicate places. [2021-06-11 19:05:28,031 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:28,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 328 transitions, 10537 flow [2021-06-11 19:05:28,031 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 328 transitions, 10537 flow [2021-06-11 19:05:28,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 328 transitions, 10537 flow [2021-06-11 19:05:28,365 INFO L129 PetriNetUnfolder]: 138/2153 cut-off events. [2021-06-11 19:05:28,365 INFO L130 PetriNetUnfolder]: For 185364/185680 co-relation queries the response was YES. [2021-06-11 19:05:28,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19053 conditions, 2153 events. 138/2153 cut-off events. For 185364/185680 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 30132 event pairs, 0 based on Foata normal form. 0/2084 useless extension candidates. Maximal degree in co-relation 18917. Up to 276 conditions per place. [2021-06-11 19:05:28,409 INFO L151 LiptonReduction]: Number of co-enabled transitions 2122 [2021-06-11 19:05:28,428 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:28,428 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:28,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-06-11 19:05:28,428 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 328 transitions, 10537 flow [2021-06-11 19:05:28,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:28,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:28,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:28,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-11 19:05:28,429 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:28,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:28,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1024334096, now seen corresponding path program 37 times [2021-06-11 19:05:28,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:28,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979406000] [2021-06-11 19:05:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:28,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:28,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:28,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:28,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:28,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:28,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:28,451 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:28,468 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:28,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:28,490 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:28,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:28,507 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:28,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:28,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979406000] [2021-06-11 19:05:28,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:28,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:28,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089709939] [2021-06-11 19:05:28,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:28,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:28,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:28,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:28,526 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:28,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 328 transitions, 10537 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:28,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:28,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:28,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:29,153 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-06-11 19:05:29,154 INFO L130 PetriNetUnfolder]: For 214551/214987 co-relation queries the response was YES. [2021-06-11 19:05:29,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23338 conditions, 2515 events. 244/2515 cut-off events. For 214551/214987 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 34469 event pairs, 65 based on Foata normal form. 16/2421 useless extension candidates. Maximal degree in co-relation 23201. Up to 396 conditions per place. [2021-06-11 19:05:29,186 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 121 changer transitions 1/388 dead transitions. [2021-06-11 19:05:29,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 388 transitions, 13303 flow [2021-06-11 19:05:29,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:29,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:29,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:29,187 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:29,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:29,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:29,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:29,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:29,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:29,188 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:29,188 INFO L185 Difference]: Start difference. First operand has 295 places, 328 transitions, 10537 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:29,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 388 transitions, 13303 flow [2021-06-11 19:05:29,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 388 transitions, 12545 flow, removed 135 selfloop flow, removed 41 redundant places. [2021-06-11 19:05:29,653 INFO L241 Difference]: Finished difference. Result has 266 places, 341 transitions, 10790 flow [2021-06-11 19:05:29,653 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10042, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10790, PETRI_PLACES=266, PETRI_TRANSITIONS=341} [2021-06-11 19:05:29,653 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 228 predicate places. [2021-06-11 19:05:29,653 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:29,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 341 transitions, 10790 flow [2021-06-11 19:05:29,654 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 341 transitions, 10790 flow [2021-06-11 19:05:29,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 341 transitions, 10790 flow [2021-06-11 19:05:29,973 INFO L129 PetriNetUnfolder]: 148/2310 cut-off events. [2021-06-11 19:05:29,973 INFO L130 PetriNetUnfolder]: For 73904/74324 co-relation queries the response was YES. [2021-06-11 19:05:29,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14946 conditions, 2310 events. 148/2310 cut-off events. For 73904/74324 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 32795 event pairs, 0 based on Foata normal form. 1/2240 useless extension candidates. Maximal degree in co-relation 14839. Up to 296 conditions per place. [2021-06-11 19:05:30,014 INFO L151 LiptonReduction]: Number of co-enabled transitions 2266 [2021-06-11 19:05:30,033 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:30,033 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:30,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-06-11 19:05:30,034 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 341 transitions, 10790 flow [2021-06-11 19:05:30,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:30,034 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:30,034 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:30,034 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-06-11 19:05:30,034 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:30,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:30,034 INFO L82 PathProgramCache]: Analyzing trace with hash -433736442, now seen corresponding path program 38 times [2021-06-11 19:05:30,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:30,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219666164] [2021-06-11 19:05:30,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:30,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:30,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:30,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:30,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:05:30,069 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:30,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:30,082 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:30,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:30,101 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:30,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:30,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219666164] [2021-06-11 19:05:30,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:30,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:30,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931912866] [2021-06-11 19:05:30,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:30,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:30,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:30,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:30,119 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:30,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 341 transitions, 10790 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:30,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:30,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:30,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:30,674 INFO L129 PetriNetUnfolder]: 243/2518 cut-off events. [2021-06-11 19:05:30,675 INFO L130 PetriNetUnfolder]: For 83397/83833 co-relation queries the response was YES. [2021-06-11 19:05:30,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17907 conditions, 2518 events. 243/2518 cut-off events. For 83397/83833 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 34443 event pairs, 69 based on Foata normal form. 20/2425 useless extension candidates. Maximal degree in co-relation 17799. Up to 411 conditions per place. [2021-06-11 19:05:30,702 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 196 selfloop transitions, 151 changer transitions 2/363 dead transitions. [2021-06-11 19:05:30,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 12116 flow [2021-06-11 19:05:30,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:30,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:30,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:30,703 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:30,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:30,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:30,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:30,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:30,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:30,704 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:30,704 INFO L185 Difference]: Start difference. First operand has 265 places, 341 transitions, 10790 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:30,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 12116 flow [2021-06-11 19:05:31,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 363 transitions, 12052 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-06-11 19:05:31,025 INFO L241 Difference]: Finished difference. Result has 274 places, 345 transitions, 11205 flow [2021-06-11 19:05:31,025 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10734, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11205, PETRI_PLACES=274, PETRI_TRANSITIONS=345} [2021-06-11 19:05:31,025 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-06-11 19:05:31,025 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:31,025 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 345 transitions, 11205 flow [2021-06-11 19:05:31,026 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 345 transitions, 11205 flow [2021-06-11 19:05:31,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 345 transitions, 11205 flow [2021-06-11 19:05:31,336 INFO L129 PetriNetUnfolder]: 148/2311 cut-off events. [2021-06-11 19:05:31,336 INFO L130 PetriNetUnfolder]: For 77139/77513 co-relation queries the response was YES. [2021-06-11 19:05:31,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15296 conditions, 2311 events. 148/2311 cut-off events. For 77139/77513 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 32653 event pairs, 0 based on Foata normal form. 4/2252 useless extension candidates. Maximal degree in co-relation 15186. Up to 296 conditions per place. [2021-06-11 19:05:31,377 INFO L151 LiptonReduction]: Number of co-enabled transitions 2314 [2021-06-11 19:05:31,397 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:31,397 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:31,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 372 [2021-06-11 19:05:31,397 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 345 transitions, 11205 flow [2021-06-11 19:05:31,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:31,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:31,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:31,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-11 19:05:31,397 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:31,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:31,398 INFO L82 PathProgramCache]: Analyzing trace with hash 703165622, now seen corresponding path program 39 times [2021-06-11 19:05:31,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:31,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641415381] [2021-06-11 19:05:31,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:31,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:31,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:31,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:31,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:31,421 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:31,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:31,441 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:31,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:31,461 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:31,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:31,482 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:31,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:31,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641415381] [2021-06-11 19:05:31,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:31,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:31,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66854899] [2021-06-11 19:05:31,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:31,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:31,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:31,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:31,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:31,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 345 transitions, 11205 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:31,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:31,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:31,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:32,086 INFO L129 PetriNetUnfolder]: 243/2546 cut-off events. [2021-06-11 19:05:32,086 INFO L130 PetriNetUnfolder]: For 88516/88929 co-relation queries the response was YES. [2021-06-11 19:05:32,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18455 conditions, 2546 events. 243/2546 cut-off events. For 88516/88929 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 34914 event pairs, 69 based on Foata normal form. 20/2454 useless extension candidates. Maximal degree in co-relation 18344. Up to 396 conditions per place. [2021-06-11 19:05:32,114 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 223 selfloop transitions, 154 changer transitions 1/392 dead transitions. [2021-06-11 19:05:32,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 392 transitions, 13507 flow [2021-06-11 19:05:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:32,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:32,115 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:32,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:32,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:32,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:32,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:32,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:32,116 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:32,116 INFO L185 Difference]: Start difference. First operand has 273 places, 345 transitions, 11205 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:32,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 392 transitions, 13507 flow [2021-06-11 19:05:32,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 392 transitions, 13323 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:32,468 INFO L241 Difference]: Finished difference. Result has 281 places, 362 transitions, 12107 flow [2021-06-11 19:05:32,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11050, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12107, PETRI_PLACES=281, PETRI_TRANSITIONS=362} [2021-06-11 19:05:32,468 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 243 predicate places. [2021-06-11 19:05:32,468 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:32,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 362 transitions, 12107 flow [2021-06-11 19:05:32,469 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 362 transitions, 12107 flow [2021-06-11 19:05:32,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 362 transitions, 12107 flow [2021-06-11 19:05:32,811 INFO L129 PetriNetUnfolder]: 151/2346 cut-off events. [2021-06-11 19:05:32,811 INFO L130 PetriNetUnfolder]: For 83345/83726 co-relation queries the response was YES. [2021-06-11 19:05:32,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15800 conditions, 2346 events. 151/2346 cut-off events. For 83345/83726 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33236 event pairs, 0 based on Foata normal form. 3/2282 useless extension candidates. Maximal degree in co-relation 15687. Up to 302 conditions per place. [2021-06-11 19:05:32,855 INFO L151 LiptonReduction]: Number of co-enabled transitions 2508 [2021-06-11 19:05:32,876 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:32,876 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:32,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-06-11 19:05:32,876 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 362 transitions, 12107 flow [2021-06-11 19:05:32,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:32,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:32,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:32,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-11 19:05:32,877 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:32,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:32,877 INFO L82 PathProgramCache]: Analyzing trace with hash -705201464, now seen corresponding path program 40 times [2021-06-11 19:05:32,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:32,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065109410] [2021-06-11 19:05:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:32,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:32,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:32,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:32,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:32,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:32,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:32,902 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:05:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:05:32,911 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:32,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:32,933 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:32,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:32,950 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:32,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:32,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065109410] [2021-06-11 19:05:32,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:32,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:32,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513961380] [2021-06-11 19:05:32,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:32,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:32,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:32,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:32,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:32,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 362 transitions, 12107 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:32,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:32,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:32,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:33,563 INFO L129 PetriNetUnfolder]: 242/2537 cut-off events. [2021-06-11 19:05:33,563 INFO L130 PetriNetUnfolder]: For 93197/93610 co-relation queries the response was YES. [2021-06-11 19:05:33,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18679 conditions, 2537 events. 242/2537 cut-off events. For 93197/93610 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34799 event pairs, 69 based on Foata normal form. 23/2447 useless extension candidates. Maximal degree in co-relation 18565. Up to 390 conditions per place. [2021-06-11 19:05:33,592 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 189 selfloop transitions, 167 changer transitions 0/370 dead transitions. [2021-06-11 19:05:33,592 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 370 transitions, 13046 flow [2021-06-11 19:05:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:33,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:33,593 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:33,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:33,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:33,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:33,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:33,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:33,595 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:33,595 INFO L185 Difference]: Start difference. First operand has 280 places, 362 transitions, 12107 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:33,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 370 transitions, 13046 flow [2021-06-11 19:05:33,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 370 transitions, 12754 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:33,968 INFO L241 Difference]: Finished difference. Result has 284 places, 362 transitions, 12160 flow [2021-06-11 19:05:33,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11823, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12160, PETRI_PLACES=284, PETRI_TRANSITIONS=362} [2021-06-11 19:05:33,968 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 246 predicate places. [2021-06-11 19:05:33,968 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:33,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 362 transitions, 12160 flow [2021-06-11 19:05:33,968 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 362 transitions, 12160 flow [2021-06-11 19:05:33,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 362 transitions, 12160 flow [2021-06-11 19:05:34,292 INFO L129 PetriNetUnfolder]: 151/2345 cut-off events. [2021-06-11 19:05:34,292 INFO L130 PetriNetUnfolder]: For 81500/81983 co-relation queries the response was YES. [2021-06-11 19:05:34,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15913 conditions, 2345 events. 151/2345 cut-off events. For 81500/81983 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33203 event pairs, 0 based on Foata normal form. 2/2279 useless extension candidates. Maximal degree in co-relation 15800. Up to 302 conditions per place. [2021-06-11 19:05:34,334 INFO L151 LiptonReduction]: Number of co-enabled transitions 2508 [2021-06-11 19:05:34,355 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:34,356 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:34,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 388 [2021-06-11 19:05:34,356 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 362 transitions, 12160 flow [2021-06-11 19:05:34,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:34,356 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:34,356 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:34,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-06-11 19:05:34,356 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:34,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:34,357 INFO L82 PathProgramCache]: Analyzing trace with hash 184289042, now seen corresponding path program 41 times [2021-06-11 19:05:34,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:34,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279568094] [2021-06-11 19:05:34,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:34,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:34,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:34,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:34,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:34,374 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:05:34,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:05:34,384 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:05:34,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:05:34,397 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:34,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:34,413 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:34,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:34,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279568094] [2021-06-11 19:05:34,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:34,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:34,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781826939] [2021-06-11 19:05:34,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:34,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:34,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:34,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:34,430 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:34,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 362 transitions, 12160 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:34,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:34,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:34,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:35,059 INFO L129 PetriNetUnfolder]: 242/2536 cut-off events. [2021-06-11 19:05:35,059 INFO L130 PetriNetUnfolder]: For 91202/91615 co-relation queries the response was YES. [2021-06-11 19:05:35,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18805 conditions, 2536 events. 242/2536 cut-off events. For 91202/91615 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34785 event pairs, 69 based on Foata normal form. 23/2446 useless extension candidates. Maximal degree in co-relation 18691. Up to 390 conditions per place. [2021-06-11 19:05:35,085 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 191 selfloop transitions, 165 changer transitions 0/370 dead transitions. [2021-06-11 19:05:35,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 370 transitions, 13099 flow [2021-06-11 19:05:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:35,087 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:35,087 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:35,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:35,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:35,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:35,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:35,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:35,090 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:35,090 INFO L185 Difference]: Start difference. First operand has 284 places, 362 transitions, 12160 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:35,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 370 transitions, 13099 flow [2021-06-11 19:05:35,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 370 transitions, 12774 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:35,468 INFO L241 Difference]: Finished difference. Result has 288 places, 362 transitions, 12168 flow [2021-06-11 19:05:35,468 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11835, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12168, PETRI_PLACES=288, PETRI_TRANSITIONS=362} [2021-06-11 19:05:35,468 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 250 predicate places. [2021-06-11 19:05:35,468 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:35,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 362 transitions, 12168 flow [2021-06-11 19:05:35,469 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 362 transitions, 12168 flow [2021-06-11 19:05:35,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 362 transitions, 12168 flow [2021-06-11 19:05:35,806 INFO L129 PetriNetUnfolder]: 151/2344 cut-off events. [2021-06-11 19:05:35,807 INFO L130 PetriNetUnfolder]: For 83741/84110 co-relation queries the response was YES. [2021-06-11 19:05:35,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16159 conditions, 2344 events. 151/2344 cut-off events. For 83741/84110 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 33270 event pairs, 0 based on Foata normal form. 3/2280 useless extension candidates. Maximal degree in co-relation 16045. Up to 302 conditions per place. [2021-06-11 19:05:35,850 INFO L151 LiptonReduction]: Number of co-enabled transitions 2508 [2021-06-11 19:05:35,871 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:35,871 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:35,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-06-11 19:05:35,872 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 362 transitions, 12168 flow [2021-06-11 19:05:35,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:35,872 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:35,872 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:35,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-06-11 19:05:35,876 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:35,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:35,876 INFO L82 PathProgramCache]: Analyzing trace with hash -215487928, now seen corresponding path program 42 times [2021-06-11 19:05:35,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:35,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172224886] [2021-06-11 19:05:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:35,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:35,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:35,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:35,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:35,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:35,896 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:05:35,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:05:35,908 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:05:35,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:05:35,926 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:35,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:35,947 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:35,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:35,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172224886] [2021-06-11 19:05:35,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:35,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:35,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980365185] [2021-06-11 19:05:35,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:35,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:35,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:35,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:35,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:35,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 362 transitions, 12168 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:35,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:35,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:35,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:36,587 INFO L129 PetriNetUnfolder]: 242/2535 cut-off events. [2021-06-11 19:05:36,588 INFO L130 PetriNetUnfolder]: For 94062/94477 co-relation queries the response was YES. [2021-06-11 19:05:36,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19049 conditions, 2535 events. 242/2535 cut-off events. For 94062/94477 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34796 event pairs, 69 based on Foata normal form. 24/2446 useless extension candidates. Maximal degree in co-relation 18934. Up to 390 conditions per place. [2021-06-11 19:05:36,617 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 190 selfloop transitions, 166 changer transitions 0/370 dead transitions. [2021-06-11 19:05:36,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 370 transitions, 13115 flow [2021-06-11 19:05:36,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:36,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:36,618 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:36,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:36,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:36,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:36,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:36,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:36,619 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:36,619 INFO L185 Difference]: Start difference. First operand has 288 places, 362 transitions, 12168 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:36,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 370 transitions, 13115 flow [2021-06-11 19:05:37,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 370 transitions, 12840 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-06-11 19:05:37,103 INFO L241 Difference]: Finished difference. Result has 294 places, 363 transitions, 12284 flow [2021-06-11 19:05:37,103 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11893, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12284, PETRI_PLACES=294, PETRI_TRANSITIONS=363} [2021-06-11 19:05:37,103 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 256 predicate places. [2021-06-11 19:05:37,103 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:37,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 363 transitions, 12284 flow [2021-06-11 19:05:37,103 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 363 transitions, 12284 flow [2021-06-11 19:05:37,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 363 transitions, 12284 flow [2021-06-11 19:05:37,490 INFO L129 PetriNetUnfolder]: 151/2343 cut-off events. [2021-06-11 19:05:37,491 INFO L130 PetriNetUnfolder]: For 86634/87062 co-relation queries the response was YES. [2021-06-11 19:05:37,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16454 conditions, 2343 events. 151/2343 cut-off events. For 86634/87062 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33244 event pairs, 0 based on Foata normal form. 2/2279 useless extension candidates. Maximal degree in co-relation 16338. Up to 302 conditions per place. [2021-06-11 19:05:37,527 INFO L151 LiptonReduction]: Number of co-enabled transitions 2522 [2021-06-11 19:05:37,548 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:37,548 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:37,548 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 445 [2021-06-11 19:05:37,548 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 363 transitions, 12284 flow [2021-06-11 19:05:37,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:37,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:37,548 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:37,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-06-11 19:05:37,549 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:37,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:37,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1998116454, now seen corresponding path program 43 times [2021-06-11 19:05:37,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:37,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21446986] [2021-06-11 19:05:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:37,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:37,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:37,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:37,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:37,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:37,583 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:05:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:05:37,594 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:37,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:37,607 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:37,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:37,625 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:37,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:37,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21446986] [2021-06-11 19:05:37,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:37,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:37,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942055074] [2021-06-11 19:05:37,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:37,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:37,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:37,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:37,643 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:37,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 363 transitions, 12284 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:37,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:37,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:37,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:38,268 INFO L129 PetriNetUnfolder]: 242/2534 cut-off events. [2021-06-11 19:05:38,268 INFO L130 PetriNetUnfolder]: For 97356/97771 co-relation queries the response was YES. [2021-06-11 19:05:38,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19342 conditions, 2534 events. 242/2534 cut-off events. For 97356/97771 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34756 event pairs, 69 based on Foata normal form. 24/2445 useless extension candidates. Maximal degree in co-relation 19225. Up to 390 conditions per place. [2021-06-11 19:05:38,298 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 187 selfloop transitions, 169 changer transitions 0/370 dead transitions. [2021-06-11 19:05:38,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 370 transitions, 13200 flow [2021-06-11 19:05:38,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:38,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:38,299 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:38,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:38,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:38,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:38,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:38,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:38,300 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:38,300 INFO L185 Difference]: Start difference. First operand has 294 places, 363 transitions, 12284 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:38,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 370 transitions, 13200 flow [2021-06-11 19:05:38,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 370 transitions, 12880 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:38,736 INFO L241 Difference]: Finished difference. Result has 299 places, 364 transitions, 12401 flow [2021-06-11 19:05:38,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11964, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12401, PETRI_PLACES=299, PETRI_TRANSITIONS=364} [2021-06-11 19:05:38,736 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 261 predicate places. [2021-06-11 19:05:38,736 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:38,737 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 364 transitions, 12401 flow [2021-06-11 19:05:38,737 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 364 transitions, 12401 flow [2021-06-11 19:05:38,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 364 transitions, 12401 flow [2021-06-11 19:05:39,071 INFO L129 PetriNetUnfolder]: 151/2342 cut-off events. [2021-06-11 19:05:39,071 INFO L130 PetriNetUnfolder]: For 91363/91756 co-relation queries the response was YES. [2021-06-11 19:05:39,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16748 conditions, 2342 events. 151/2342 cut-off events. For 91363/91756 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33176 event pairs, 0 based on Foata normal form. 5/2280 useless extension candidates. Maximal degree in co-relation 16630. Up to 302 conditions per place. [2021-06-11 19:05:39,114 INFO L151 LiptonReduction]: Number of co-enabled transitions 2536 [2021-06-11 19:05:39,136 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:39,136 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:39,136 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 400 [2021-06-11 19:05:39,136 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 364 transitions, 12401 flow [2021-06-11 19:05:39,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:39,136 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:39,137 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:39,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-06-11 19:05:39,137 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:39,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:39,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1552148344, now seen corresponding path program 44 times [2021-06-11 19:05:39,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:39,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971592112] [2021-06-11 19:05:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:39,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:39,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:39,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:39,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:39,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:39,155 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:05:39,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:05:39,164 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:39,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:39,177 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:39,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:39,195 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:39,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:39,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971592112] [2021-06-11 19:05:39,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:39,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:39,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115360121] [2021-06-11 19:05:39,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:39,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:39,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:39,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:39,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:39,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 364 transitions, 12401 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:39,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:39,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:39,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:39,882 INFO L129 PetriNetUnfolder]: 242/2533 cut-off events. [2021-06-11 19:05:39,882 INFO L130 PetriNetUnfolder]: For 101965/102454 co-relation queries the response was YES. [2021-06-11 19:05:39,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19634 conditions, 2533 events. 242/2533 cut-off events. For 101965/102454 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34757 event pairs, 69 based on Foata normal form. 27/2448 useless extension candidates. Maximal degree in co-relation 19515. Up to 390 conditions per place. [2021-06-11 19:05:39,907 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 185 selfloop transitions, 163 changer transitions 8/370 dead transitions. [2021-06-11 19:05:39,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 370 transitions, 13289 flow [2021-06-11 19:05:39,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:39,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:39,908 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:39,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:39,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:39,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:39,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:39,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:39,910 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:39,910 INFO L185 Difference]: Start difference. First operand has 299 places, 364 transitions, 12401 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:39,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 370 transitions, 13289 flow [2021-06-11 19:05:40,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 370 transitions, 13024 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-06-11 19:05:40,309 INFO L241 Difference]: Finished difference. Result has 304 places, 356 transitions, 12087 flow [2021-06-11 19:05:40,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12136, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12087, PETRI_PLACES=304, PETRI_TRANSITIONS=356} [2021-06-11 19:05:40,309 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 266 predicate places. [2021-06-11 19:05:40,309 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:40,309 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 356 transitions, 12087 flow [2021-06-11 19:05:40,309 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 356 transitions, 12087 flow [2021-06-11 19:05:40,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 356 transitions, 12087 flow [2021-06-11 19:05:40,632 INFO L129 PetriNetUnfolder]: 150/2304 cut-off events. [2021-06-11 19:05:40,632 INFO L130 PetriNetUnfolder]: For 91968/92386 co-relation queries the response was YES. [2021-06-11 19:05:40,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16634 conditions, 2304 events. 150/2304 cut-off events. For 91968/92386 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 32564 event pairs, 0 based on Foata normal form. 2/2245 useless extension candidates. Maximal degree in co-relation 16515. Up to 300 conditions per place. [2021-06-11 19:05:40,674 INFO L151 LiptonReduction]: Number of co-enabled transitions 2438 [2021-06-11 19:05:40,695 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:40,695 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:40,695 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 386 [2021-06-11 19:05:40,696 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 356 transitions, 12087 flow [2021-06-11 19:05:40,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:40,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:40,696 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:40,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-06-11 19:05:40,696 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:40,696 INFO L82 PathProgramCache]: Analyzing trace with hash -669860520, now seen corresponding path program 45 times [2021-06-11 19:05:40,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:40,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190518936] [2021-06-11 19:05:40,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:40,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:40,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:40,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:40,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:40,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:40,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:40,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:40,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:05:40,730 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:40,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:40,750 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:40,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:40,774 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:40,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:40,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190518936] [2021-06-11 19:05:40,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:40,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:40,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534105761] [2021-06-11 19:05:40,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:40,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:40,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:40,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:40,791 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:40,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 356 transitions, 12087 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:40,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:40,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:40,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:41,395 INFO L129 PetriNetUnfolder]: 241/2495 cut-off events. [2021-06-11 19:05:41,395 INFO L130 PetriNetUnfolder]: For 102976/103352 co-relation queries the response was YES. [2021-06-11 19:05:41,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19502 conditions, 2495 events. 241/2495 cut-off events. For 102976/103352 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 34109 event pairs, 69 based on Foata normal form. 21/2410 useless extension candidates. Maximal degree in co-relation 19382. Up to 406 conditions per place. [2021-06-11 19:05:41,423 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 201 selfloop transitions, 151 changer transitions 2/368 dead transitions. [2021-06-11 19:05:41,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 368 transitions, 13202 flow [2021-06-11 19:05:41,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:41,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:41,424 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:41,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:41,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:41,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:41,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:41,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:41,425 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:41,425 INFO L185 Difference]: Start difference. First operand has 298 places, 356 transitions, 12087 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:41,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 368 transitions, 13202 flow [2021-06-11 19:05:41,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 368 transitions, 12826 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-06-11 19:05:41,799 INFO L241 Difference]: Finished difference. Result has 298 places, 357 transitions, 12153 flow [2021-06-11 19:05:41,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11766, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12153, PETRI_PLACES=298, PETRI_TRANSITIONS=357} [2021-06-11 19:05:41,799 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 260 predicate places. [2021-06-11 19:05:41,799 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:41,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 357 transitions, 12153 flow [2021-06-11 19:05:41,800 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 357 transitions, 12153 flow [2021-06-11 19:05:41,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 357 transitions, 12153 flow [2021-06-11 19:05:42,113 INFO L129 PetriNetUnfolder]: 149/2294 cut-off events. [2021-06-11 19:05:42,114 INFO L130 PetriNetUnfolder]: For 77882/78307 co-relation queries the response was YES. [2021-06-11 19:05:42,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15438 conditions, 2294 events. 149/2294 cut-off events. For 77882/78307 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 32351 event pairs, 0 based on Foata normal form. 2/2238 useless extension candidates. Maximal degree in co-relation 15322. Up to 298 conditions per place. [2021-06-11 19:05:42,154 INFO L151 LiptonReduction]: Number of co-enabled transitions 2454 [2021-06-11 19:05:42,175 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:42,175 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:42,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-06-11 19:05:42,175 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 357 transitions, 12153 flow [2021-06-11 19:05:42,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:42,176 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:42,176 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:42,176 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-06-11 19:05:42,176 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:42,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:42,176 INFO L82 PathProgramCache]: Analyzing trace with hash 2117147140, now seen corresponding path program 46 times [2021-06-11 19:05:42,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:42,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993454104] [2021-06-11 19:05:42,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:42,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:42,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:42,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:42,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:42,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:42,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:42,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:42,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:05:42,208 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:05:42,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:05:42,230 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:42,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:42,248 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:42,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:42,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:42,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993454104] [2021-06-11 19:05:42,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:42,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:42,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988534324] [2021-06-11 19:05:42,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:42,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:42,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:42,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:42,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:42,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 357 transitions, 12153 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:42,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:42,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:42,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:42,891 INFO L129 PetriNetUnfolder]: 239/2695 cut-off events. [2021-06-11 19:05:42,891 INFO L130 PetriNetUnfolder]: For 94066/94444 co-relation queries the response was YES. [2021-06-11 19:05:42,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19633 conditions, 2695 events. 239/2695 cut-off events. For 94066/94444 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 37623 event pairs, 57 based on Foata normal form. 15/2599 useless extension candidates. Maximal degree in co-relation 19516. Up to 434 conditions per place. [2021-06-11 19:05:42,920 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 293 selfloop transitions, 127 changer transitions 2/436 dead transitions. [2021-06-11 19:05:42,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 436 transitions, 15764 flow [2021-06-11 19:05:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:42,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:42,921 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:42,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:42,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:42,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:42,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:42,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:42,923 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:42,923 INFO L185 Difference]: Start difference. First operand has 297 places, 357 transitions, 12153 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:42,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 436 transitions, 15764 flow [2021-06-11 19:05:43,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 436 transitions, 15437 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-06-11 19:05:43,360 INFO L241 Difference]: Finished difference. Result has 303 places, 373 transitions, 12848 flow [2021-06-11 19:05:43,360 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11886, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12848, PETRI_PLACES=303, PETRI_TRANSITIONS=373} [2021-06-11 19:05:43,360 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 265 predicate places. [2021-06-11 19:05:43,360 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:43,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 373 transitions, 12848 flow [2021-06-11 19:05:43,361 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 373 transitions, 12848 flow [2021-06-11 19:05:43,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 373 transitions, 12848 flow [2021-06-11 19:05:43,735 INFO L129 PetriNetUnfolder]: 165/2552 cut-off events. [2021-06-11 19:05:43,736 INFO L130 PetriNetUnfolder]: For 90321/90550 co-relation queries the response was YES. [2021-06-11 19:05:43,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17443 conditions, 2552 events. 165/2552 cut-off events. For 90321/90550 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36774 event pairs, 0 based on Foata normal form. 0/2494 useless extension candidates. Maximal degree in co-relation 17325. Up to 330 conditions per place. [2021-06-11 19:05:43,781 INFO L151 LiptonReduction]: Number of co-enabled transitions 2588 [2021-06-11 19:05:43,803 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:43,803 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:43,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 443 [2021-06-11 19:05:43,804 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 373 transitions, 12848 flow [2021-06-11 19:05:43,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:43,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:43,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:43,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-06-11 19:05:43,804 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:43,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:43,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1351111734, now seen corresponding path program 47 times [2021-06-11 19:05:43,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:43,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175582665] [2021-06-11 19:05:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:43,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:43,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:43,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:43,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:43,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:43,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:43,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:43,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:43,842 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:05:43,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:05:43,870 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:43,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:43,890 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:43,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:43,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175582665] [2021-06-11 19:05:43,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:43,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:43,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282957618] [2021-06-11 19:05:43,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:43,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:43,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:43,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:43,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:43,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 373 transitions, 12848 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:43,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:43,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:43,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:44,651 INFO L129 PetriNetUnfolder]: 237/2723 cut-off events. [2021-06-11 19:05:44,651 INFO L130 PetriNetUnfolder]: For 98988/99409 co-relation queries the response was YES. [2021-06-11 19:05:44,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20042 conditions, 2723 events. 237/2723 cut-off events. For 98988/99409 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 38221 event pairs, 69 based on Foata normal form. 22/2637 useless extension candidates. Maximal degree in co-relation 19923. Up to 426 conditions per place. [2021-06-11 19:05:44,677 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 219 selfloop transitions, 166 changer transitions 2/401 dead transitions. [2021-06-11 19:05:44,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 401 transitions, 14590 flow [2021-06-11 19:05:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:44,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:44,678 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:44,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:44,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:44,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:44,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:44,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:44,679 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:44,679 INFO L185 Difference]: Start difference. First operand has 302 places, 373 transitions, 12848 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:44,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 401 transitions, 14590 flow [2021-06-11 19:05:45,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 401 transitions, 14437 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:45,127 INFO L241 Difference]: Finished difference. Result has 309 places, 377 transitions, 13274 flow [2021-06-11 19:05:45,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12711, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13274, PETRI_PLACES=309, PETRI_TRANSITIONS=377} [2021-06-11 19:05:45,127 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 271 predicate places. [2021-06-11 19:05:45,127 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:45,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 377 transitions, 13274 flow [2021-06-11 19:05:45,128 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 377 transitions, 13274 flow [2021-06-11 19:05:45,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 308 places, 377 transitions, 13274 flow [2021-06-11 19:05:45,514 INFO L129 PetriNetUnfolder]: 167/2588 cut-off events. [2021-06-11 19:05:45,514 INFO L130 PetriNetUnfolder]: For 94159/94406 co-relation queries the response was YES. [2021-06-11 19:05:45,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18011 conditions, 2588 events. 167/2588 cut-off events. For 94159/94406 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 37395 event pairs, 0 based on Foata normal form. 0/2523 useless extension candidates. Maximal degree in co-relation 17891. Up to 334 conditions per place. [2021-06-11 19:05:45,565 INFO L151 LiptonReduction]: Number of co-enabled transitions 2638 [2021-06-11 19:05:45,588 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:45,588 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:45,588 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 461 [2021-06-11 19:05:45,588 INFO L480 AbstractCegarLoop]: Abstraction has has 308 places, 377 transitions, 13274 flow [2021-06-11 19:05:45,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:45,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:45,589 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:45,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-06-11 19:05:45,589 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:45,589 INFO L82 PathProgramCache]: Analyzing trace with hash 977850520, now seen corresponding path program 48 times [2021-06-11 19:05:45,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:45,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113707797] [2021-06-11 19:05:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:45,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:45,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:45,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:45,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:45,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:45,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:45,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:05:45,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:05:45,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:05:45,637 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:45,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:45,658 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:45,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:45,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113707797] [2021-06-11 19:05:45,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:45,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:45,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519201254] [2021-06-11 19:05:45,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:45,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:45,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:45,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:45,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:45,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 377 transitions, 13274 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:45,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:45,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:45,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:46,365 INFO L129 PetriNetUnfolder]: 236/2713 cut-off events. [2021-06-11 19:05:46,365 INFO L130 PetriNetUnfolder]: For 101199/101593 co-relation queries the response was YES. [2021-06-11 19:05:46,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20287 conditions, 2713 events. 236/2713 cut-off events. For 101199/101593 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 38010 event pairs, 69 based on Foata normal form. 22/2621 useless extension candidates. Maximal degree in co-relation 20166. Up to 443 conditions per place. [2021-06-11 19:05:46,397 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 246 selfloop transitions, 157 changer transitions 2/419 dead transitions. [2021-06-11 19:05:46,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 419 transitions, 15589 flow [2021-06-11 19:05:46,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:46,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:46,398 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:46,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:46,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:46,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:46,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:46,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:46,399 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:46,400 INFO L185 Difference]: Start difference. First operand has 308 places, 377 transitions, 13274 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:46,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 419 transitions, 15589 flow [2021-06-11 19:05:46,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 419 transitions, 15404 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:46,873 INFO L241 Difference]: Finished difference. Result has 316 places, 391 transitions, 14134 flow [2021-06-11 19:05:46,873 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13112, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14134, PETRI_PLACES=316, PETRI_TRANSITIONS=391} [2021-06-11 19:05:46,873 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 278 predicate places. [2021-06-11 19:05:46,873 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:46,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 391 transitions, 14134 flow [2021-06-11 19:05:46,874 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 391 transitions, 14134 flow [2021-06-11 19:05:46,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 391 transitions, 14134 flow [2021-06-11 19:05:47,306 INFO L129 PetriNetUnfolder]: 166/2578 cut-off events. [2021-06-11 19:05:47,306 INFO L130 PetriNetUnfolder]: For 100481/100696 co-relation queries the response was YES. [2021-06-11 19:05:47,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18240 conditions, 2578 events. 166/2578 cut-off events. For 100481/100696 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 37231 event pairs, 0 based on Foata normal form. 0/2520 useless extension candidates. Maximal degree in co-relation 18117. Up to 332 conditions per place. [2021-06-11 19:05:47,354 INFO L151 LiptonReduction]: Number of co-enabled transitions 2776 [2021-06-11 19:05:47,377 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:47,378 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:47,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-06-11 19:05:47,378 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 391 transitions, 14134 flow [2021-06-11 19:05:47,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:47,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:47,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:47,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-06-11 19:05:47,378 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:47,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:47,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1740840540, now seen corresponding path program 49 times [2021-06-11 19:05:47,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:47,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539257588] [2021-06-11 19:05:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:47,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:47,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:47,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:47,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:47,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:47,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:47,399 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:47,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:47,416 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:47,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:47,436 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:47,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:47,461 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:47,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:47,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539257588] [2021-06-11 19:05:47,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:47,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:47,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447591078] [2021-06-11 19:05:47,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:47,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:47,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:47,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:47,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:47,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 391 transitions, 14134 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:47,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:47,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:47,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:48,195 INFO L129 PetriNetUnfolder]: 235/2703 cut-off events. [2021-06-11 19:05:48,195 INFO L130 PetriNetUnfolder]: For 107510/107992 co-relation queries the response was YES. [2021-06-11 19:05:48,222 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20523 conditions, 2703 events. 235/2703 cut-off events. For 107510/107992 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 37856 event pairs, 69 based on Foata normal form. 25/2619 useless extension candidates. Maximal degree in co-relation 20399. Up to 426 conditions per place. [2021-06-11 19:05:48,228 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 218 selfloop transitions, 176 changer transitions 3/411 dead transitions. [2021-06-11 19:05:48,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 411 transitions, 15626 flow [2021-06-11 19:05:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:48,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:48,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:48,229 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:48,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:48,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:48,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:48,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:48,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:48,230 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:48,230 INFO L185 Difference]: Start difference. First operand has 315 places, 391 transitions, 14134 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:48,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 411 transitions, 15626 flow [2021-06-11 19:05:48,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 411 transitions, 15430 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-06-11 19:05:48,830 INFO L241 Difference]: Finished difference. Result has 320 places, 390 transitions, 14290 flow [2021-06-11 19:05:48,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13948, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14290, PETRI_PLACES=320, PETRI_TRANSITIONS=390} [2021-06-11 19:05:48,831 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 282 predicate places. [2021-06-11 19:05:48,831 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:48,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 390 transitions, 14290 flow [2021-06-11 19:05:48,831 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 390 transitions, 14290 flow [2021-06-11 19:05:48,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 390 transitions, 14290 flow [2021-06-11 19:05:49,222 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-06-11 19:05:49,223 INFO L130 PetriNetUnfolder]: For 100029/100254 co-relation queries the response was YES. [2021-06-11 19:05:49,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18345 conditions, 2566 events. 165/2566 cut-off events. For 100029/100254 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 36967 event pairs, 0 based on Foata normal form. 0/2506 useless extension candidates. Maximal degree in co-relation 18222. Up to 330 conditions per place. [2021-06-11 19:05:49,274 INFO L151 LiptonReduction]: Number of co-enabled transitions 2760 [2021-06-11 19:05:49,299 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:49,299 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:49,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 468 [2021-06-11 19:05:49,300 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 390 transitions, 14290 flow [2021-06-11 19:05:49,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:49,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:49,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:49,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-06-11 19:05:49,300 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:49,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:49,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1986280744, now seen corresponding path program 50 times [2021-06-11 19:05:49,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:49,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686708773] [2021-06-11 19:05:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:49,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:49,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:49,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:49,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:49,318 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:49,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:49,334 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:05:49,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:05:49,355 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:49,371 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:49,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:49,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686708773] [2021-06-11 19:05:49,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:49,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:49,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248181829] [2021-06-11 19:05:49,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:49,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:49,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:49,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:49,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:49,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 390 transitions, 14290 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:49,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:49,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:49,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:50,130 INFO L129 PetriNetUnfolder]: 234/2691 cut-off events. [2021-06-11 19:05:50,130 INFO L130 PetriNetUnfolder]: For 107407/107889 co-relation queries the response was YES. [2021-06-11 19:05:50,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20623 conditions, 2691 events. 234/2691 cut-off events. For 107407/107889 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 37673 event pairs, 69 based on Foata normal form. 25/2607 useless extension candidates. Maximal degree in co-relation 20499. Up to 426 conditions per place. [2021-06-11 19:05:50,162 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 222 selfloop transitions, 172 changer transitions 2/410 dead transitions. [2021-06-11 19:05:50,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 410 transitions, 15776 flow [2021-06-11 19:05:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:50,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:50,163 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:50,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:50,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:50,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:50,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:50,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:50,164 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:50,164 INFO L185 Difference]: Start difference. First operand has 319 places, 390 transitions, 14290 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:50,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 410 transitions, 15776 flow [2021-06-11 19:05:50,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 410 transitions, 15433 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:05:50,684 INFO L241 Difference]: Finished difference. Result has 323 places, 390 transitions, 14306 flow [2021-06-11 19:05:50,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13955, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14306, PETRI_PLACES=323, PETRI_TRANSITIONS=390} [2021-06-11 19:05:50,684 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 285 predicate places. [2021-06-11 19:05:50,684 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:50,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 390 transitions, 14306 flow [2021-06-11 19:05:50,684 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 390 transitions, 14306 flow [2021-06-11 19:05:50,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 390 transitions, 14306 flow [2021-06-11 19:05:51,077 INFO L129 PetriNetUnfolder]: 164/2556 cut-off events. [2021-06-11 19:05:51,078 INFO L130 PetriNetUnfolder]: For 100342/100557 co-relation queries the response was YES. [2021-06-11 19:05:51,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18310 conditions, 2556 events. 164/2556 cut-off events. For 100342/100557 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36842 event pairs, 0 based on Foata normal form. 0/2497 useless extension candidates. Maximal degree in co-relation 18186. Up to 328 conditions per place. [2021-06-11 19:05:51,128 INFO L151 LiptonReduction]: Number of co-enabled transitions 2750 [2021-06-11 19:05:51,153 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:51,153 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:51,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 470 [2021-06-11 19:05:51,154 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 390 transitions, 14306 flow [2021-06-11 19:05:51,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:51,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:51,154 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:51,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-06-11 19:05:51,154 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:51,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1990232474, now seen corresponding path program 51 times [2021-06-11 19:05:51,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:51,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715651734] [2021-06-11 19:05:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:51,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:51,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:51,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:51,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:51,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:51,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:51,187 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:05:51,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:05:51,205 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:51,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:51,221 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:51,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:51,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:51,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715651734] [2021-06-11 19:05:51,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:51,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:51,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94706419] [2021-06-11 19:05:51,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:51,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:51,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:51,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:51,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:51,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 390 transitions, 14306 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:51,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:51,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:51,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:51,946 INFO L129 PetriNetUnfolder]: 233/2681 cut-off events. [2021-06-11 19:05:51,946 INFO L130 PetriNetUnfolder]: For 107436/107918 co-relation queries the response was YES. [2021-06-11 19:05:51,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20585 conditions, 2681 events. 233/2681 cut-off events. For 107436/107918 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 37495 event pairs, 69 based on Foata normal form. 25/2597 useless extension candidates. Maximal degree in co-relation 20460. Up to 426 conditions per place. [2021-06-11 19:05:51,978 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 180 changer transitions 0/408 dead transitions. [2021-06-11 19:05:51,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 408 transitions, 15720 flow [2021-06-11 19:05:51,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:51,979 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:51,979 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:51,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:51,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:51,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:51,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:51,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:51,981 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:51,981 INFO L185 Difference]: Start difference. First operand has 322 places, 390 transitions, 14306 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:51,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 408 transitions, 15720 flow [2021-06-11 19:05:52,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 408 transitions, 15565 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-06-11 19:05:52,551 INFO L241 Difference]: Finished difference. Result has 328 places, 404 transitions, 15145 flow [2021-06-11 19:05:52,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14159, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15145, PETRI_PLACES=328, PETRI_TRANSITIONS=404} [2021-06-11 19:05:52,551 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 290 predicate places. [2021-06-11 19:05:52,551 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:52,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 404 transitions, 15145 flow [2021-06-11 19:05:52,552 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 404 transitions, 15145 flow [2021-06-11 19:05:52,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 404 transitions, 15145 flow [2021-06-11 19:05:52,954 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-06-11 19:05:52,954 INFO L130 PetriNetUnfolder]: For 102489/102704 co-relation queries the response was YES. [2021-06-11 19:05:52,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18587 conditions, 2555 events. 164/2555 cut-off events. For 102489/102704 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36803 event pairs, 0 based on Foata normal form. 0/2496 useless extension candidates. Maximal degree in co-relation 18462. Up to 328 conditions per place. [2021-06-11 19:05:53,005 INFO L151 LiptonReduction]: Number of co-enabled transitions 2788 [2021-06-11 19:05:53,032 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:53,032 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:53,032 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 481 [2021-06-11 19:05:53,032 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 404 transitions, 15145 flow [2021-06-11 19:05:53,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:53,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:53,033 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:53,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-06-11 19:05:53,033 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:53,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:53,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1553442510, now seen corresponding path program 52 times [2021-06-11 19:05:53,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:53,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372453690] [2021-06-11 19:05:53,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:53,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:53,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:53,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:53,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:53,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:53,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:53,073 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:05:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:05:53,087 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:53,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:53,105 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:53,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:53,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372453690] [2021-06-11 19:05:53,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:53,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:53,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348319681] [2021-06-11 19:05:53,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:53,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:53,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:53,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:53,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:53,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 404 transitions, 15145 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:53,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:53,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:53,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:53,885 INFO L129 PetriNetUnfolder]: 233/2680 cut-off events. [2021-06-11 19:05:53,885 INFO L130 PetriNetUnfolder]: For 109825/110305 co-relation queries the response was YES. [2021-06-11 19:05:53,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20861 conditions, 2680 events. 233/2680 cut-off events. For 109825/110305 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 37436 event pairs, 69 based on Foata normal form. 24/2595 useless extension candidates. Maximal degree in co-relation 20735. Up to 426 conditions per place. [2021-06-11 19:05:53,918 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 176 changer transitions 4/408 dead transitions. [2021-06-11 19:05:53,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 408 transitions, 16029 flow [2021-06-11 19:05:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:53,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:53,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:53,925 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:53,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:53,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:53,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:53,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:53,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:53,926 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:53,926 INFO L185 Difference]: Start difference. First operand has 328 places, 404 transitions, 15145 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:53,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 408 transitions, 16029 flow [2021-06-11 19:05:54,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 408 transitions, 15750 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 19:05:54,506 INFO L241 Difference]: Finished difference. Result has 333 places, 400 transitions, 15034 flow [2021-06-11 19:05:54,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14866, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15034, PETRI_PLACES=333, PETRI_TRANSITIONS=400} [2021-06-11 19:05:54,507 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-06-11 19:05:54,507 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:54,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 400 transitions, 15034 flow [2021-06-11 19:05:54,507 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 400 transitions, 15034 flow [2021-06-11 19:05:54,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 400 transitions, 15034 flow [2021-06-11 19:05:54,945 INFO L129 PetriNetUnfolder]: 163/2540 cut-off events. [2021-06-11 19:05:54,946 INFO L130 PetriNetUnfolder]: For 104757/104972 co-relation queries the response was YES. [2021-06-11 19:05:54,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18805 conditions, 2540 events. 163/2540 cut-off events. For 104757/104972 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 36554 event pairs, 0 based on Foata normal form. 0/2481 useless extension candidates. Maximal degree in co-relation 18679. Up to 326 conditions per place. [2021-06-11 19:05:55,000 INFO L151 LiptonReduction]: Number of co-enabled transitions 2742 [2021-06-11 19:05:55,028 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:55,028 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:55,028 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 521 [2021-06-11 19:05:55,028 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 400 transitions, 15034 flow [2021-06-11 19:05:55,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:55,028 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:55,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:55,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-06-11 19:05:55,029 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:55,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:55,029 INFO L82 PathProgramCache]: Analyzing trace with hash -947050058, now seen corresponding path program 53 times [2021-06-11 19:05:55,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:55,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845488726] [2021-06-11 19:05:55,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:55,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:55,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:55,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:55,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:05:55,062 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:05:55,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:05:55,077 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:05:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:05:55,096 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:55,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:55,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845488726] [2021-06-11 19:05:55,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:55,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:55,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168554486] [2021-06-11 19:05:55,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:55,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:55,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:55,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:55,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:55,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 400 transitions, 15034 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:55,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:55,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:55,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:55,891 INFO L129 PetriNetUnfolder]: 232/2665 cut-off events. [2021-06-11 19:05:55,892 INFO L130 PetriNetUnfolder]: For 112090/112570 co-relation queries the response was YES. [2021-06-11 19:05:55,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21072 conditions, 2665 events. 232/2665 cut-off events. For 112090/112570 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37199 event pairs, 69 based on Foata normal form. 24/2582 useless extension candidates. Maximal degree in co-relation 20945. Up to 442 conditions per place. [2021-06-11 19:05:55,925 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 228 selfloop transitions, 160 changer transitions 2/404 dead transitions. [2021-06-11 19:05:55,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 404 transitions, 15918 flow [2021-06-11 19:05:55,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:55,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:55,926 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:55,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:55,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:55,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:55,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:55,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:55,927 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:55,927 INFO L185 Difference]: Start difference. First operand has 331 places, 400 transitions, 15034 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:55,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 404 transitions, 15918 flow [2021-06-11 19:05:56,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 404 transitions, 15500 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-06-11 19:05:56,464 INFO L241 Difference]: Finished difference. Result has 332 places, 398 transitions, 14865 flow [2021-06-11 19:05:56,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14632, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14865, PETRI_PLACES=332, PETRI_TRANSITIONS=398} [2021-06-11 19:05:56,465 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 294 predicate places. [2021-06-11 19:05:56,465 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:56,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 398 transitions, 14865 flow [2021-06-11 19:05:56,465 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 398 transitions, 14865 flow [2021-06-11 19:05:56,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 398 transitions, 14865 flow [2021-06-11 19:05:56,849 INFO L129 PetriNetUnfolder]: 162/2530 cut-off events. [2021-06-11 19:05:56,849 INFO L130 PetriNetUnfolder]: For 101227/101453 co-relation queries the response was YES. [2021-06-11 19:05:56,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18398 conditions, 2530 events. 162/2530 cut-off events. For 101227/101453 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 36341 event pairs, 0 based on Foata normal form. 0/2471 useless extension candidates. Maximal degree in co-relation 18273. Up to 324 conditions per place. [2021-06-11 19:05:56,899 INFO L151 LiptonReduction]: Number of co-enabled transitions 2730 [2021-06-11 19:05:56,925 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:56,925 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:56,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-06-11 19:05:56,925 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 398 transitions, 14865 flow [2021-06-11 19:05:56,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:56,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:56,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:56,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-06-11 19:05:56,926 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:56,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:56,926 INFO L82 PathProgramCache]: Analyzing trace with hash -63561370, now seen corresponding path program 54 times [2021-06-11 19:05:56,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:56,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798609680] [2021-06-11 19:05:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:56,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:56,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:56,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:56,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:56,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:56,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:56,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:05:56,965 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:05:56,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:05:56,987 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:56,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:57,005 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:57,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:57,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798609680] [2021-06-11 19:05:57,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:57,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:57,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659555125] [2021-06-11 19:05:57,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:57,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:57,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:57,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:57,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:57,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 398 transitions, 14865 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:57,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:57,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:57,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:57,738 INFO L129 PetriNetUnfolder]: 231/2655 cut-off events. [2021-06-11 19:05:57,739 INFO L130 PetriNetUnfolder]: For 108181/108661 co-relation queries the response was YES. [2021-06-11 19:05:57,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20663 conditions, 2655 events. 231/2655 cut-off events. For 108181/108661 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37047 event pairs, 69 based on Foata normal form. 24/2572 useless extension candidates. Maximal degree in co-relation 20537. Up to 442 conditions per place. [2021-06-11 19:05:57,771 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 165 changer transitions 2/402 dead transitions. [2021-06-11 19:05:57,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 402 transitions, 15737 flow [2021-06-11 19:05:57,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:57,772 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:57,772 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:57,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:57,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:57,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:57,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:57,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:57,773 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:57,774 INFO L185 Difference]: Start difference. First operand has 331 places, 398 transitions, 14865 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:57,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 402 transitions, 15737 flow [2021-06-11 19:05:58,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 402 transitions, 15310 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-06-11 19:05:58,364 INFO L241 Difference]: Finished difference. Result has 333 places, 396 transitions, 14687 flow [2021-06-11 19:05:58,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14446, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14687, PETRI_PLACES=333, PETRI_TRANSITIONS=396} [2021-06-11 19:05:58,364 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-06-11 19:05:58,364 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:05:58,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 396 transitions, 14687 flow [2021-06-11 19:05:58,364 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 396 transitions, 14687 flow [2021-06-11 19:05:58,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 396 transitions, 14687 flow [2021-06-11 19:05:58,747 INFO L129 PetriNetUnfolder]: 161/2520 cut-off events. [2021-06-11 19:05:58,747 INFO L130 PetriNetUnfolder]: For 98514/98739 co-relation queries the response was YES. [2021-06-11 19:05:58,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18307 conditions, 2520 events. 161/2520 cut-off events. For 98514/98739 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 36190 event pairs, 0 based on Foata normal form. 1/2464 useless extension candidates. Maximal degree in co-relation 18182. Up to 322 conditions per place. [2021-06-11 19:05:58,797 INFO L151 LiptonReduction]: Number of co-enabled transitions 2712 [2021-06-11 19:05:58,822 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:05:58,823 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:05:58,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-06-11 19:05:58,823 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 396 transitions, 14687 flow [2021-06-11 19:05:58,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:58,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:05:58,823 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:05:58,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-06-11 19:05:58,823 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:05:58,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:05:58,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1536876484, now seen corresponding path program 55 times [2021-06-11 19:05:58,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:05:58,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603371708] [2021-06-11 19:05:58,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:05:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:05:58,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:05:58,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:58,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:05:58,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:58,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:05:58,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:05:58,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:05:58,860 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:05:58,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:05:58,873 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:05:58,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:05:58,892 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:05:58,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:05:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:05:58,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603371708] [2021-06-11 19:05:58,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:05:58,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:05:58,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552693397] [2021-06-11 19:05:58,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:05:58,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:05:58,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:05:58,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:05:58,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:05:58,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 396 transitions, 14687 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:58,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:05:58,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:05:58,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:05:59,614 INFO L129 PetriNetUnfolder]: 230/2645 cut-off events. [2021-06-11 19:05:59,615 INFO L130 PetriNetUnfolder]: For 105799/106281 co-relation queries the response was YES. [2021-06-11 19:05:59,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20569 conditions, 2645 events. 230/2645 cut-off events. For 105799/106281 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 36852 event pairs, 69 based on Foata normal form. 25/2563 useless extension candidates. Maximal degree in co-relation 20443. Up to 442 conditions per place. [2021-06-11 19:05:59,649 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 162 changer transitions 3/400 dead transitions. [2021-06-11 19:05:59,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 400 transitions, 15555 flow [2021-06-11 19:05:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:05:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:05:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:05:59,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:05:59,650 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:05:59,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:05:59,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:05:59,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:05:59,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:59,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:59,651 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:05:59,651 INFO L185 Difference]: Start difference. First operand has 332 places, 396 transitions, 14687 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:05:59,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 400 transitions, 15555 flow [2021-06-11 19:06:00,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 400 transitions, 15233 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:00,184 INFO L241 Difference]: Finished difference. Result has 335 places, 393 transitions, 14550 flow [2021-06-11 19:06:00,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14373, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14550, PETRI_PLACES=335, PETRI_TRANSITIONS=393} [2021-06-11 19:06:00,185 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 297 predicate places. [2021-06-11 19:06:00,185 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:00,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 393 transitions, 14550 flow [2021-06-11 19:06:00,185 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 393 transitions, 14550 flow [2021-06-11 19:06:00,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 393 transitions, 14550 flow [2021-06-11 19:06:00,566 INFO L129 PetriNetUnfolder]: 160/2504 cut-off events. [2021-06-11 19:06:00,567 INFO L130 PetriNetUnfolder]: For 97866/98081 co-relation queries the response was YES. [2021-06-11 19:06:00,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18175 conditions, 2504 events. 160/2504 cut-off events. For 97866/98081 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 35911 event pairs, 0 based on Foata normal form. 0/2446 useless extension candidates. Maximal degree in co-relation 18050. Up to 320 conditions per place. [2021-06-11 19:06:00,617 INFO L151 LiptonReduction]: Number of co-enabled transitions 2682 [2021-06-11 19:06:00,643 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:00,643 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:00,643 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 458 [2021-06-11 19:06:00,644 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 393 transitions, 14550 flow [2021-06-11 19:06:00,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:00,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:00,644 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:00,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-06-11 19:06:00,644 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:00,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:00,644 INFO L82 PathProgramCache]: Analyzing trace with hash 632381588, now seen corresponding path program 56 times [2021-06-11 19:06:00,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:00,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696083654] [2021-06-11 19:06:00,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:00,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:00,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:00,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:00,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:00,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:00,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:00,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:00,669 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:06:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:06:00,682 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:00,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:00,699 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:00,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:00,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696083654] [2021-06-11 19:06:00,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:00,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:00,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578671147] [2021-06-11 19:06:00,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:00,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:00,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:00,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:00,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:00,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 393 transitions, 14550 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:00,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:00,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:00,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:01,396 INFO L129 PetriNetUnfolder]: 229/2629 cut-off events. [2021-06-11 19:06:01,396 INFO L130 PetriNetUnfolder]: For 104893/105375 co-relation queries the response was YES. [2021-06-11 19:06:01,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20431 conditions, 2629 events. 229/2629 cut-off events. For 104893/105375 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36543 event pairs, 69 based on Foata normal form. 25/2548 useless extension candidates. Maximal degree in co-relation 20305. Up to 436 conditions per place. [2021-06-11 19:06:01,436 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 157 changer transitions 0/419 dead transitions. [2021-06-11 19:06:01,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 419 transitions, 16322 flow [2021-06-11 19:06:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:01,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:01,437 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:01,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:01,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:01,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:01,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:01,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:01,438 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:01,438 INFO L185 Difference]: Start difference. First operand has 333 places, 393 transitions, 14550 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:01,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 419 transitions, 16322 flow [2021-06-11 19:06:01,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 419 transitions, 15952 flow, removed 24 selfloop flow, removed 6 redundant places. [2021-06-11 19:06:01,985 INFO L241 Difference]: Finished difference. Result has 337 places, 411 transitions, 15354 flow [2021-06-11 19:06:01,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14212, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15354, PETRI_PLACES=337, PETRI_TRANSITIONS=411} [2021-06-11 19:06:01,985 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 299 predicate places. [2021-06-11 19:06:01,985 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:01,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 411 transitions, 15354 flow [2021-06-11 19:06:01,985 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 411 transitions, 15354 flow [2021-06-11 19:06:01,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 337 places, 411 transitions, 15354 flow [2021-06-11 19:06:02,381 INFO L129 PetriNetUnfolder]: 160/2503 cut-off events. [2021-06-11 19:06:02,381 INFO L130 PetriNetUnfolder]: For 95557/95772 co-relation queries the response was YES. [2021-06-11 19:06:02,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17900 conditions, 2503 events. 160/2503 cut-off events. For 95557/95772 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 35949 event pairs, 0 based on Foata normal form. 0/2447 useless extension candidates. Maximal degree in co-relation 17774. Up to 320 conditions per place. [2021-06-11 19:06:02,428 INFO L151 LiptonReduction]: Number of co-enabled transitions 2738 [2021-06-11 19:06:02,455 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:02,455 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:02,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 470 [2021-06-11 19:06:02,456 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 411 transitions, 15354 flow [2021-06-11 19:06:02,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:02,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:02,456 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:02,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-06-11 19:06:02,456 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:02,456 INFO L82 PathProgramCache]: Analyzing trace with hash -440703792, now seen corresponding path program 57 times [2021-06-11 19:06:02,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:02,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461071509] [2021-06-11 19:06:02,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:02,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:02,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:02,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:02,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:02,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:02,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:02,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:02,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:02,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:02,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:02,500 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:02,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:02,516 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:02,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:02,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461071509] [2021-06-11 19:06:02,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:02,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:02,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33919156] [2021-06-11 19:06:02,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:02,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:02,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:02,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:02,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:02,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 411 transitions, 15354 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:02,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:02,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:02,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:03,258 INFO L129 PetriNetUnfolder]: 229/2628 cut-off events. [2021-06-11 19:06:03,258 INFO L130 PetriNetUnfolder]: For 102446/102928 co-relation queries the response was YES. [2021-06-11 19:06:03,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 2628 events. 229/2628 cut-off events. For 102446/102928 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36577 event pairs, 69 based on Foata normal form. 24/2546 useless extension candidates. Maximal degree in co-relation 20013. Up to 436 conditions per place. [2021-06-11 19:06:03,289 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 151 changer transitions 2/419 dead transitions. [2021-06-11 19:06:03,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 419 transitions, 16378 flow [2021-06-11 19:06:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:03,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:03,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:03,290 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:03,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:03,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:03,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:03,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:03,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:03,291 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:03,291 INFO L185 Difference]: Start difference. First operand has 337 places, 411 transitions, 15354 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:03,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 419 transitions, 16378 flow [2021-06-11 19:06:03,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 419 transitions, 16115 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:03,821 INFO L241 Difference]: Finished difference. Result has 342 places, 413 transitions, 15472 flow [2021-06-11 19:06:03,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15091, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15472, PETRI_PLACES=342, PETRI_TRANSITIONS=413} [2021-06-11 19:06:03,822 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 304 predicate places. [2021-06-11 19:06:03,822 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:03,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 413 transitions, 15472 flow [2021-06-11 19:06:03,822 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 413 transitions, 15472 flow [2021-06-11 19:06:03,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 413 transitions, 15472 flow [2021-06-11 19:06:04,229 INFO L129 PetriNetUnfolder]: 159/2493 cut-off events. [2021-06-11 19:06:04,229 INFO L130 PetriNetUnfolder]: For 99200/99415 co-relation queries the response was YES. [2021-06-11 19:06:04,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18194 conditions, 2493 events. 159/2493 cut-off events. For 99200/99415 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 35746 event pairs, 0 based on Foata normal form. 0/2433 useless extension candidates. Maximal degree in co-relation 18067. Up to 318 conditions per place. [2021-06-11 19:06:04,276 INFO L151 LiptonReduction]: Number of co-enabled transitions 2754 [2021-06-11 19:06:04,302 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:04,303 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:04,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 481 [2021-06-11 19:06:04,303 INFO L480 AbstractCegarLoop]: Abstraction has has 341 places, 413 transitions, 15472 flow [2021-06-11 19:06:04,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:04,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:04,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:04,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-06-11 19:06:04,303 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:04,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:04,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1547496748, now seen corresponding path program 58 times [2021-06-11 19:06:04,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:04,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026168163] [2021-06-11 19:06:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:04,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:04,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:04,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:04,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:04,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:04,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:04,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:04,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:04,328 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:06:04,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:06:04,340 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:04,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:04,357 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:04,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:04,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026168163] [2021-06-11 19:06:04,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:04,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:04,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536853376] [2021-06-11 19:06:04,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:04,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:04,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:04,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:04,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:04,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 413 transitions, 15472 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:04,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:04,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:04,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:05,087 INFO L129 PetriNetUnfolder]: 228/2618 cut-off events. [2021-06-11 19:06:05,088 INFO L130 PetriNetUnfolder]: For 106101/106583 co-relation queries the response was YES. [2021-06-11 19:06:05,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20430 conditions, 2618 events. 228/2618 cut-off events. For 106101/106583 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 36318 event pairs, 69 based on Foata normal form. 24/2536 useless extension candidates. Maximal degree in co-relation 20302. Up to 436 conditions per place. [2021-06-11 19:06:05,119 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 152 changer transitions 3/417 dead transitions. [2021-06-11 19:06:05,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 417 transitions, 16374 flow [2021-06-11 19:06:05,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:05,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:05,121 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:05,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:05,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:05,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:05,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:05,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:05,122 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:05,122 INFO L185 Difference]: Start difference. First operand has 341 places, 413 transitions, 15472 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:05,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 417 transitions, 16374 flow [2021-06-11 19:06:05,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 417 transitions, 16121 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:05,661 INFO L241 Difference]: Finished difference. Result has 345 places, 410 transitions, 15384 flow [2021-06-11 19:06:05,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15227, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15384, PETRI_PLACES=345, PETRI_TRANSITIONS=410} [2021-06-11 19:06:05,662 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-06-11 19:06:05,662 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:05,662 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 410 transitions, 15384 flow [2021-06-11 19:06:05,662 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 410 transitions, 15384 flow [2021-06-11 19:06:05,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 410 transitions, 15384 flow [2021-06-11 19:06:06,048 INFO L129 PetriNetUnfolder]: 158/2477 cut-off events. [2021-06-11 19:06:06,048 INFO L130 PetriNetUnfolder]: For 98563/98788 co-relation queries the response was YES. [2021-06-11 19:06:06,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18131 conditions, 2477 events. 158/2477 cut-off events. For 98563/98788 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 35381 event pairs, 0 based on Foata normal form. 1/2423 useless extension candidates. Maximal degree in co-relation 18004. Up to 316 conditions per place. [2021-06-11 19:06:06,098 INFO L151 LiptonReduction]: Number of co-enabled transitions 2730 [2021-06-11 19:06:06,125 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:06,125 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:06,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-06-11 19:06:06,126 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 410 transitions, 15384 flow [2021-06-11 19:06:06,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:06,126 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:06,126 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:06,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-06-11 19:06:06,126 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:06,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:06,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1498620048, now seen corresponding path program 59 times [2021-06-11 19:06:06,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:06,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309393976] [2021-06-11 19:06:06,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:06,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:06,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:06,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:06,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:06,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:06,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:06,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:06,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:06,153 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:06:06,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:06:06,176 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:06,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:06,194 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:06,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:06,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309393976] [2021-06-11 19:06:06,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:06,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:06,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359452812] [2021-06-11 19:06:06,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:06,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:06,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:06,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:06,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:06,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 410 transitions, 15384 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:06,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:06,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:06,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:06,980 INFO L129 PetriNetUnfolder]: 227/2602 cut-off events. [2021-06-11 19:06:06,980 INFO L130 PetriNetUnfolder]: For 105303/105787 co-relation queries the response was YES. [2021-06-11 19:06:07,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20361 conditions, 2602 events. 227/2602 cut-off events. For 105303/105787 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 36059 event pairs, 69 based on Foata normal form. 25/2522 useless extension candidates. Maximal degree in co-relation 20233. Up to 436 conditions per place. [2021-06-11 19:06:07,005 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 149 changer transitions 2/414 dead transitions. [2021-06-11 19:06:07,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 414 transitions, 16280 flow [2021-06-11 19:06:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:07,010 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:07,010 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:07,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:07,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:07,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:07,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:07,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:07,011 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:07,011 INFO L185 Difference]: Start difference. First operand has 343 places, 410 transitions, 15384 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:07,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 414 transitions, 16280 flow [2021-06-11 19:06:07,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 414 transitions, 15972 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-06-11 19:06:07,426 INFO L241 Difference]: Finished difference. Result has 345 places, 408 transitions, 15292 flow [2021-06-11 19:06:07,426 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15092, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15292, PETRI_PLACES=345, PETRI_TRANSITIONS=408} [2021-06-11 19:06:07,426 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-06-11 19:06:07,426 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:07,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 408 transitions, 15292 flow [2021-06-11 19:06:07,427 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 408 transitions, 15292 flow [2021-06-11 19:06:07,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 408 transitions, 15292 flow [2021-06-11 19:06:07,781 INFO L129 PetriNetUnfolder]: 157/2467 cut-off events. [2021-06-11 19:06:07,781 INFO L130 PetriNetUnfolder]: For 95285/95500 co-relation queries the response was YES. [2021-06-11 19:06:07,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17818 conditions, 2467 events. 157/2467 cut-off events. For 95285/95500 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 35308 event pairs, 0 based on Foata normal form. 0/2411 useless extension candidates. Maximal degree in co-relation 17692. Up to 314 conditions per place. [2021-06-11 19:06:07,824 INFO L151 LiptonReduction]: Number of co-enabled transitions 2716 [2021-06-11 19:06:07,851 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:07,851 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:07,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 425 [2021-06-11 19:06:07,851 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 408 transitions, 15292 flow [2021-06-11 19:06:07,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:07,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:07,851 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:07,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-06-11 19:06:07,852 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:07,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:07,852 INFO L82 PathProgramCache]: Analyzing trace with hash 303998706, now seen corresponding path program 60 times [2021-06-11 19:06:07,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:07,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469763680] [2021-06-11 19:06:07,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:07,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:07,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:07,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:07,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:07,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:07,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:07,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:07,878 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:07,890 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:07,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:07,907 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:07,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:07,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469763680] [2021-06-11 19:06:07,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:07,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:07,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412488438] [2021-06-11 19:06:07,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:07,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:07,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:07,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:07,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:07,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 408 transitions, 15292 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:07,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:07,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:07,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:08,625 INFO L129 PetriNetUnfolder]: 226/2592 cut-off events. [2021-06-11 19:06:08,625 INFO L130 PetriNetUnfolder]: For 102043/102527 co-relation queries the response was YES. [2021-06-11 19:06:08,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20046 conditions, 2592 events. 226/2592 cut-off events. For 102043/102527 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 35915 event pairs, 69 based on Foata normal form. 25/2512 useless extension candidates. Maximal degree in co-relation 19919. Up to 436 conditions per place. [2021-06-11 19:06:08,655 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 147 changer transitions 2/412 dead transitions. [2021-06-11 19:06:08,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 412 transitions, 16176 flow [2021-06-11 19:06:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:08,655 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:08,656 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:08,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:08,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:08,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:08,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:08,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:08,657 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:08,657 INFO L185 Difference]: Start difference. First operand has 344 places, 408 transitions, 15292 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:08,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 412 transitions, 16176 flow [2021-06-11 19:06:09,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 412 transitions, 15884 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:09,125 INFO L241 Difference]: Finished difference. Result has 347 places, 406 transitions, 15211 flow [2021-06-11 19:06:09,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15008, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15211, PETRI_PLACES=347, PETRI_TRANSITIONS=406} [2021-06-11 19:06:09,125 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 309 predicate places. [2021-06-11 19:06:09,125 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:09,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 406 transitions, 15211 flow [2021-06-11 19:06:09,125 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 406 transitions, 15211 flow [2021-06-11 19:06:09,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 346 places, 406 transitions, 15211 flow [2021-06-11 19:06:09,486 INFO L129 PetriNetUnfolder]: 156/2457 cut-off events. [2021-06-11 19:06:09,486 INFO L130 PetriNetUnfolder]: For 95123/95338 co-relation queries the response was YES. [2021-06-11 19:06:09,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17765 conditions, 2457 events. 156/2457 cut-off events. For 95123/95338 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 35131 event pairs, 0 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 17639. Up to 312 conditions per place. [2021-06-11 19:06:09,531 INFO L151 LiptonReduction]: Number of co-enabled transitions 2712 [2021-06-11 19:06:09,557 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:09,557 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:09,557 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 432 [2021-06-11 19:06:09,557 INFO L480 AbstractCegarLoop]: Abstraction has has 346 places, 406 transitions, 15211 flow [2021-06-11 19:06:09,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:09,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:09,558 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:09,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-06-11 19:06:09,558 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:09,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:09,558 INFO L82 PathProgramCache]: Analyzing trace with hash -666274416, now seen corresponding path program 61 times [2021-06-11 19:06:09,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:09,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290715704] [2021-06-11 19:06:09,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:09,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:09,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:09,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:09,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:09,574 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:09,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:09,591 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:09,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:09,613 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:09,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:09,631 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:09,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:09,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290715704] [2021-06-11 19:06:09,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:09,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:09,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528781796] [2021-06-11 19:06:09,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:09,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:09,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:09,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:09,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:09,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 406 transitions, 15211 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:09,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:09,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:09,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:10,350 INFO L129 PetriNetUnfolder]: 232/2720 cut-off events. [2021-06-11 19:06:10,350 INFO L130 PetriNetUnfolder]: For 106306/106788 co-relation queries the response was YES. [2021-06-11 19:06:10,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20862 conditions, 2720 events. 232/2720 cut-off events. For 106306/106788 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 38190 event pairs, 61 based on Foata normal form. 15/2634 useless extension candidates. Maximal degree in co-relation 20735. Up to 424 conditions per place. [2021-06-11 19:06:10,382 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 147 changer transitions 2/441 dead transitions. [2021-06-11 19:06:10,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 441 transitions, 17383 flow [2021-06-11 19:06:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:10,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:10,383 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:10,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:10,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:10,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:10,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:10,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:10,384 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:10,384 INFO L185 Difference]: Start difference. First operand has 346 places, 406 transitions, 15211 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:10,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 441 transitions, 17383 flow [2021-06-11 19:06:10,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 441 transitions, 17067 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:10,889 INFO L241 Difference]: Finished difference. Result has 353 places, 415 transitions, 15773 flow [2021-06-11 19:06:10,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14927, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15773, PETRI_PLACES=353, PETRI_TRANSITIONS=415} [2021-06-11 19:06:10,889 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 315 predicate places. [2021-06-11 19:06:10,889 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:10,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 353 places, 415 transitions, 15773 flow [2021-06-11 19:06:10,890 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 353 places, 415 transitions, 15773 flow [2021-06-11 19:06:10,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 352 places, 415 transitions, 15773 flow [2021-06-11 19:06:11,277 INFO L129 PetriNetUnfolder]: 168/2597 cut-off events. [2021-06-11 19:06:11,277 INFO L130 PetriNetUnfolder]: For 103780/103978 co-relation queries the response was YES. [2021-06-11 19:06:11,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18857 conditions, 2597 events. 168/2597 cut-off events. For 103780/103978 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 37461 event pairs, 0 based on Foata normal form. 1/2539 useless extension candidates. Maximal degree in co-relation 18727. Up to 336 conditions per place. [2021-06-11 19:06:11,325 INFO L151 LiptonReduction]: Number of co-enabled transitions 2794 [2021-06-11 19:06:11,352 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:11,352 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:11,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-06-11 19:06:11,353 INFO L480 AbstractCegarLoop]: Abstraction has has 352 places, 415 transitions, 15773 flow [2021-06-11 19:06:11,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:11,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:11,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:11,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-06-11 19:06:11,353 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:11,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1622614354, now seen corresponding path program 62 times [2021-06-11 19:06:11,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:11,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149284082] [2021-06-11 19:06:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:11,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:11,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:11,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:11,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:11,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:11,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:11,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:11,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:11,387 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:06:11,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:06:11,400 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:11,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:11,428 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:11,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:11,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149284082] [2021-06-11 19:06:11,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:11,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:11,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109199505] [2021-06-11 19:06:11,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:11,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:11,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:11,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:11,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:11,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 415 transitions, 15773 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:11,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:11,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:11,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:12,172 INFO L129 PetriNetUnfolder]: 231/2713 cut-off events. [2021-06-11 19:06:12,172 INFO L130 PetriNetUnfolder]: For 109957/110445 co-relation queries the response was YES. [2021-06-11 19:06:12,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20983 conditions, 2713 events. 231/2713 cut-off events. For 109957/110445 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 38095 event pairs, 53 based on Foata normal form. 18/2632 useless extension candidates. Maximal degree in co-relation 20852. Up to 435 conditions per place. [2021-06-11 19:06:12,203 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 291 selfloop transitions, 149 changer transitions 2/456 dead transitions. [2021-06-11 19:06:12,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 456 transitions, 18110 flow [2021-06-11 19:06:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:12,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:12,204 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:12,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:12,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:12,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:12,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:12,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:12,205 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:12,205 INFO L185 Difference]: Start difference. First operand has 352 places, 415 transitions, 15773 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:12,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 456 transitions, 18110 flow [2021-06-11 19:06:12,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 456 transitions, 17946 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:12,741 INFO L241 Difference]: Finished difference. Result has 360 places, 435 transitions, 16841 flow [2021-06-11 19:06:12,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15617, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16841, PETRI_PLACES=360, PETRI_TRANSITIONS=435} [2021-06-11 19:06:12,742 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 322 predicate places. [2021-06-11 19:06:12,742 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:12,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 435 transitions, 16841 flow [2021-06-11 19:06:12,742 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 435 transitions, 16841 flow [2021-06-11 19:06:12,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 359 places, 435 transitions, 16841 flow [2021-06-11 19:06:13,143 INFO L129 PetriNetUnfolder]: 167/2587 cut-off events. [2021-06-11 19:06:13,144 INFO L130 PetriNetUnfolder]: For 109017/109223 co-relation queries the response was YES. [2021-06-11 19:06:13,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19202 conditions, 2587 events. 167/2587 cut-off events. For 109017/109223 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37342 event pairs, 0 based on Foata normal form. 1/2529 useless extension candidates. Maximal degree in co-relation 19069. Up to 334 conditions per place. [2021-06-11 19:06:13,188 INFO L151 LiptonReduction]: Number of co-enabled transitions 3000 [2021-06-11 19:06:13,216 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:13,216 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:13,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-06-11 19:06:13,216 INFO L480 AbstractCegarLoop]: Abstraction has has 359 places, 435 transitions, 16841 flow [2021-06-11 19:06:13,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:13,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:13,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:13,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-06-11 19:06:13,216 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:13,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:13,217 INFO L82 PathProgramCache]: Analyzing trace with hash -22554488, now seen corresponding path program 63 times [2021-06-11 19:06:13,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:13,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016970427] [2021-06-11 19:06:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:13,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:13,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:13,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:13,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:13,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:13,234 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:06:13,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:06:13,243 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:13,269 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:06:13,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:06:13,286 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:13,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:13,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016970427] [2021-06-11 19:06:13,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:13,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:13,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79433103] [2021-06-11 19:06:13,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:13,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:13,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:13,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:13,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:13,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 435 transitions, 16841 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:13,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:13,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:13,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:14,029 INFO L129 PetriNetUnfolder]: 230/2703 cut-off events. [2021-06-11 19:06:14,029 INFO L130 PetriNetUnfolder]: For 115491/115993 co-relation queries the response was YES. [2021-06-11 19:06:14,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21341 conditions, 2703 events. 230/2703 cut-off events. For 115491/115993 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37845 event pairs, 53 based on Foata normal form. 18/2615 useless extension candidates. Maximal degree in co-relation 21207. Up to 406 conditions per place. [2021-06-11 19:06:14,060 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-06-11 19:06:14,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 444 transitions, 18011 flow [2021-06-11 19:06:14,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:14,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:14,061 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:14,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:14,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:14,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:14,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:14,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:14,062 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:14,063 INFO L185 Difference]: Start difference. First operand has 359 places, 435 transitions, 16841 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:14,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 444 transitions, 18011 flow [2021-06-11 19:06:14,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 444 transitions, 17822 flow, removed 30 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:14,607 INFO L241 Difference]: Finished difference. Result has 363 places, 435 transitions, 17003 flow [2021-06-11 19:06:14,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16660, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17003, PETRI_PLACES=363, PETRI_TRANSITIONS=435} [2021-06-11 19:06:14,608 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 325 predicate places. [2021-06-11 19:06:14,608 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:14,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 435 transitions, 17003 flow [2021-06-11 19:06:14,608 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 435 transitions, 17003 flow [2021-06-11 19:06:14,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 435 transitions, 17003 flow [2021-06-11 19:06:14,999 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-06-11 19:06:15,000 INFO L130 PetriNetUnfolder]: For 109040/109246 co-relation queries the response was YES. [2021-06-11 19:06:15,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19385 conditions, 2586 events. 167/2586 cut-off events. For 109040/109246 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37263 event pairs, 0 based on Foata normal form. 1/2531 useless extension candidates. Maximal degree in co-relation 19253. Up to 334 conditions per place. [2021-06-11 19:06:15,050 INFO L151 LiptonReduction]: Number of co-enabled transitions 3000 [2021-06-11 19:06:15,080 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:15,080 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:15,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-06-11 19:06:15,080 INFO L480 AbstractCegarLoop]: Abstraction has has 363 places, 435 transitions, 17003 flow [2021-06-11 19:06:15,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:15,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:15,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:15,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-06-11 19:06:15,080 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:15,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:15,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1207805122, now seen corresponding path program 64 times [2021-06-11 19:06:15,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:15,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258909789] [2021-06-11 19:06:15,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:15,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:15,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:15,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:15,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:15,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:15,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:15,099 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:06:15,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:06:15,109 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:15,130 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:15,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:15,147 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:15,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:15,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258909789] [2021-06-11 19:06:15,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:15,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:15,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717018229] [2021-06-11 19:06:15,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:15,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:15,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:15,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:15,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:15,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 435 transitions, 17003 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:15,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:15,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:15,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:15,944 INFO L129 PetriNetUnfolder]: 230/2702 cut-off events. [2021-06-11 19:06:15,944 INFO L130 PetriNetUnfolder]: For 115388/115890 co-relation queries the response was YES. [2021-06-11 19:06:15,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21533 conditions, 2702 events. 230/2702 cut-off events. For 115388/115890 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37824 event pairs, 53 based on Foata normal form. 18/2614 useless extension candidates. Maximal degree in co-relation 21400. Up to 406 conditions per place. [2021-06-11 19:06:15,977 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-06-11 19:06:15,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 444 transitions, 18173 flow [2021-06-11 19:06:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:15,978 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:15,978 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:15,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:15,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:15,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:15,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:15,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:15,979 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:15,979 INFO L185 Difference]: Start difference. First operand has 363 places, 435 transitions, 17003 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:15,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 444 transitions, 18173 flow [2021-06-11 19:06:16,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 444 transitions, 17911 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-06-11 19:06:16,549 INFO L241 Difference]: Finished difference. Result has 368 places, 435 transitions, 17084 flow [2021-06-11 19:06:16,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16741, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17084, PETRI_PLACES=368, PETRI_TRANSITIONS=435} [2021-06-11 19:06:16,549 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 330 predicate places. [2021-06-11 19:06:16,549 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:16,549 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 435 transitions, 17084 flow [2021-06-11 19:06:16,549 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 435 transitions, 17084 flow [2021-06-11 19:06:16,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 435 transitions, 17084 flow [2021-06-11 19:06:16,960 INFO L129 PetriNetUnfolder]: 167/2585 cut-off events. [2021-06-11 19:06:16,960 INFO L130 PetriNetUnfolder]: For 111346/111563 co-relation queries the response was YES. [2021-06-11 19:06:16,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19717 conditions, 2585 events. 167/2585 cut-off events. For 111346/111563 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37190 event pairs, 0 based on Foata normal form. 2/2531 useless extension candidates. Maximal degree in co-relation 19584. Up to 334 conditions per place. [2021-06-11 19:06:17,010 INFO L151 LiptonReduction]: Number of co-enabled transitions 3000 [2021-06-11 19:06:17,039 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:17,039 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:17,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-06-11 19:06:17,040 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 435 transitions, 17084 flow [2021-06-11 19:06:17,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:17,040 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:17,040 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:17,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-06-11 19:06:17,040 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:17,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:17,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1477731600, now seen corresponding path program 65 times [2021-06-11 19:06:17,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:17,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145788510] [2021-06-11 19:06:17,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:17,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:17,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:17,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:17,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:17,056 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:17,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:17,070 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:17,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:17,090 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:17,107 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:17,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:17,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145788510] [2021-06-11 19:06:17,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:17,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:17,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245320330] [2021-06-11 19:06:17,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:17,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:17,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:17,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:17,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:17,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 435 transitions, 17084 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:17,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:17,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:17,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:17,927 INFO L129 PetriNetUnfolder]: 230/2701 cut-off events. [2021-06-11 19:06:17,927 INFO L130 PetriNetUnfolder]: For 118183/118687 co-relation queries the response was YES. [2021-06-11 19:06:17,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21863 conditions, 2701 events. 230/2701 cut-off events. For 118183/118687 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37855 event pairs, 53 based on Foata normal form. 19/2613 useless extension candidates. Maximal degree in co-relation 21729. Up to 435 conditions per place. [2021-06-11 19:06:17,962 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 149 changer transitions 1/453 dead transitions. [2021-06-11 19:06:17,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 453 transitions, 18634 flow [2021-06-11 19:06:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:17,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:17,963 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:17,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:17,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:17,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:17,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:17,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:17,964 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:17,964 INFO L185 Difference]: Start difference. First operand has 368 places, 435 transitions, 17084 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:17,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 453 transitions, 18634 flow [2021-06-11 19:06:18,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 453 transitions, 18296 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:18,630 INFO L241 Difference]: Finished difference. Result has 372 places, 434 transitions, 17018 flow [2021-06-11 19:06:18,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16764, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17018, PETRI_PLACES=372, PETRI_TRANSITIONS=434} [2021-06-11 19:06:18,631 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 334 predicate places. [2021-06-11 19:06:18,631 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:18,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 372 places, 434 transitions, 17018 flow [2021-06-11 19:06:18,631 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 372 places, 434 transitions, 17018 flow [2021-06-11 19:06:18,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 434 transitions, 17018 flow [2021-06-11 19:06:19,066 INFO L129 PetriNetUnfolder]: 166/2576 cut-off events. [2021-06-11 19:06:19,066 INFO L130 PetriNetUnfolder]: For 114093/114294 co-relation queries the response was YES. [2021-06-11 19:06:19,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19949 conditions, 2576 events. 166/2576 cut-off events. For 114093/114294 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37148 event pairs, 0 based on Foata normal form. 0/2518 useless extension candidates. Maximal degree in co-relation 19815. Up to 332 conditions per place. [2021-06-11 19:06:19,118 INFO L151 LiptonReduction]: Number of co-enabled transitions 2998 [2021-06-11 19:06:19,147 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:19,147 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:19,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 516 [2021-06-11 19:06:19,148 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 434 transitions, 17018 flow [2021-06-11 19:06:19,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:19,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:19,148 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:19,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-06-11 19:06:19,148 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:19,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:19,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1076348288, now seen corresponding path program 66 times [2021-06-11 19:06:19,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:19,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365843444] [2021-06-11 19:06:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:19,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:19,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:19,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:19,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:19,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:19,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:19,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:06:19,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:06:19,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:19,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:19,191 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:19,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:19,209 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:19,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:19,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365843444] [2021-06-11 19:06:19,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:19,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:19,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075128068] [2021-06-11 19:06:19,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:19,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:19,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:19,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:19,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:19,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 434 transitions, 17018 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:19,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:19,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:19,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:20,010 INFO L129 PetriNetUnfolder]: 229/2692 cut-off events. [2021-06-11 19:06:20,010 INFO L130 PetriNetUnfolder]: For 121099/121597 co-relation queries the response was YES. [2021-06-11 19:06:20,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22092 conditions, 2692 events. 229/2692 cut-off events. For 121099/121597 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37667 event pairs, 53 based on Foata normal form. 19/2604 useless extension candidates. Maximal degree in co-relation 21957. Up to 406 conditions per place. [2021-06-11 19:06:20,045 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 170 changer transitions 0/443 dead transitions. [2021-06-11 19:06:20,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 443 transitions, 18202 flow [2021-06-11 19:06:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:20,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:20,046 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:20,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:20,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:20,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:20,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:20,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:20,047 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:20,047 INFO L185 Difference]: Start difference. First operand has 371 places, 434 transitions, 17018 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:20,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 443 transitions, 18202 flow [2021-06-11 19:06:20,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 443 transitions, 18068 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-06-11 19:06:20,715 INFO L241 Difference]: Finished difference. Result has 377 places, 437 transitions, 17454 flow [2021-06-11 19:06:20,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16892, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17454, PETRI_PLACES=377, PETRI_TRANSITIONS=437} [2021-06-11 19:06:20,716 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-06-11 19:06:20,716 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:20,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 437 transitions, 17454 flow [2021-06-11 19:06:20,716 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 437 transitions, 17454 flow [2021-06-11 19:06:20,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 437 transitions, 17454 flow [2021-06-11 19:06:21,144 INFO L129 PetriNetUnfolder]: 166/2575 cut-off events. [2021-06-11 19:06:21,145 INFO L130 PetriNetUnfolder]: For 116383/116586 co-relation queries the response was YES. [2021-06-11 19:06:21,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20205 conditions, 2575 events. 166/2575 cut-off events. For 116383/116586 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37085 event pairs, 0 based on Foata normal form. 0/2519 useless extension candidates. Maximal degree in co-relation 20071. Up to 332 conditions per place. [2021-06-11 19:06:21,197 INFO L151 LiptonReduction]: Number of co-enabled transitions 3040 [2021-06-11 19:06:21,227 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:21,227 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:21,227 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-06-11 19:06:21,227 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 437 transitions, 17454 flow [2021-06-11 19:06:21,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:21,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:21,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:21,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-06-11 19:06:21,227 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:21,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:21,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1902461704, now seen corresponding path program 67 times [2021-06-11 19:06:21,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:21,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739163746] [2021-06-11 19:06:21,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:21,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:21,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:21,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:21,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:21,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:21,244 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:06:21,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:06:21,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:21,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:21,265 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:21,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:21,281 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:21,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:21,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739163746] [2021-06-11 19:06:21,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:21,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:21,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464741225] [2021-06-11 19:06:21,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:21,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:21,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:21,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:21,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:21,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 437 transitions, 17454 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:21,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:21,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:21,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:22,100 INFO L129 PetriNetUnfolder]: 229/2691 cut-off events. [2021-06-11 19:06:22,100 INFO L130 PetriNetUnfolder]: For 123712/124210 co-relation queries the response was YES. [2021-06-11 19:06:22,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22357 conditions, 2691 events. 229/2691 cut-off events. For 123712/124210 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37651 event pairs, 53 based on Foata normal form. 18/2603 useless extension candidates. Maximal degree in co-relation 22222. Up to 406 conditions per place. [2021-06-11 19:06:22,134 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 169 changer transitions 0/443 dead transitions. [2021-06-11 19:06:22,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 443 transitions, 18498 flow [2021-06-11 19:06:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:22,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:22,140 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:22,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:22,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:22,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:22,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:22,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:22,141 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:22,141 INFO L185 Difference]: Start difference. First operand has 377 places, 437 transitions, 17454 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:22,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 443 transitions, 18498 flow [2021-06-11 19:06:22,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 443 transitions, 18233 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-06-11 19:06:22,785 INFO L241 Difference]: Finished difference. Result has 382 places, 437 transitions, 17530 flow [2021-06-11 19:06:22,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17189, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17530, PETRI_PLACES=382, PETRI_TRANSITIONS=437} [2021-06-11 19:06:22,786 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 344 predicate places. [2021-06-11 19:06:22,786 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:22,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 437 transitions, 17530 flow [2021-06-11 19:06:22,786 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 437 transitions, 17530 flow [2021-06-11 19:06:22,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 437 transitions, 17530 flow [2021-06-11 19:06:23,215 INFO L129 PetriNetUnfolder]: 166/2574 cut-off events. [2021-06-11 19:06:23,215 INFO L130 PetriNetUnfolder]: For 119422/119625 co-relation queries the response was YES. [2021-06-11 19:06:23,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20520 conditions, 2574 events. 166/2574 cut-off events. For 119422/119625 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37045 event pairs, 0 based on Foata normal form. 0/2517 useless extension candidates. Maximal degree in co-relation 20385. Up to 332 conditions per place. [2021-06-11 19:06:23,267 INFO L151 LiptonReduction]: Number of co-enabled transitions 3040 [2021-06-11 19:06:23,297 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:23,297 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:23,297 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-06-11 19:06:23,297 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 437 transitions, 17530 flow [2021-06-11 19:06:23,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:23,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:23,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:23,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-06-11 19:06:23,297 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:23,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:23,298 INFO L82 PathProgramCache]: Analyzing trace with hash -2059821630, now seen corresponding path program 68 times [2021-06-11 19:06:23,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:23,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603303176] [2021-06-11 19:06:23,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:23,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:23,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:23,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:23,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:23,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:23,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:23,314 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:06:23,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:06:23,325 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:06:23,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:06:23,339 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:23,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:23,356 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:23,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:23,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603303176] [2021-06-11 19:06:23,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:23,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:23,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550267124] [2021-06-11 19:06:23,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:23,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:23,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:23,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:23,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:23,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 437 transitions, 17530 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:23,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:23,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:23,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:24,181 INFO L129 PetriNetUnfolder]: 229/2690 cut-off events. [2021-06-11 19:06:24,182 INFO L130 PetriNetUnfolder]: For 126698/127196 co-relation queries the response was YES. [2021-06-11 19:06:24,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22670 conditions, 2690 events. 229/2690 cut-off events. For 126698/127196 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37601 event pairs, 53 based on Foata normal form. 18/2601 useless extension candidates. Maximal degree in co-relation 22534. Up to 406 conditions per place. [2021-06-11 19:06:24,217 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 250 selfloop transitions, 165 changer transitions 14/443 dead transitions. [2021-06-11 19:06:24,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 443 transitions, 18582 flow [2021-06-11 19:06:24,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:24,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:24,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:24,217 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:24,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:24,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:24,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:24,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:24,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:24,219 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:24,219 INFO L185 Difference]: Start difference. First operand has 382 places, 437 transitions, 17530 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:24,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 443 transitions, 18582 flow [2021-06-11 19:06:24,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 443 transitions, 18272 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:24,955 INFO L241 Difference]: Finished difference. Result has 386 places, 423 transitions, 16831 flow [2021-06-11 19:06:24,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17220, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16831, PETRI_PLACES=386, PETRI_TRANSITIONS=423} [2021-06-11 19:06:24,956 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 348 predicate places. [2021-06-11 19:06:24,956 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:24,956 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 423 transitions, 16831 flow [2021-06-11 19:06:24,956 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 423 transitions, 16831 flow [2021-06-11 19:06:24,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 423 transitions, 16831 flow [2021-06-11 19:06:25,393 INFO L129 PetriNetUnfolder]: 165/2532 cut-off events. [2021-06-11 19:06:25,393 INFO L130 PetriNetUnfolder]: For 119520/119723 co-relation queries the response was YES. [2021-06-11 19:06:25,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20342 conditions, 2532 events. 165/2532 cut-off events. For 119520/119723 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36308 event pairs, 0 based on Foata normal form. 0/2479 useless extension candidates. Maximal degree in co-relation 20206. Up to 330 conditions per place. [2021-06-11 19:06:25,446 INFO L151 LiptonReduction]: Number of co-enabled transitions 2896 [2021-06-11 19:06:25,474 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:25,474 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:25,474 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 518 [2021-06-11 19:06:25,474 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 423 transitions, 16831 flow [2021-06-11 19:06:25,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:25,474 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:25,474 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:25,474 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-06-11 19:06:25,475 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:25,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:25,475 INFO L82 PathProgramCache]: Analyzing trace with hash 222700006, now seen corresponding path program 69 times [2021-06-11 19:06:25,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:25,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110210850] [2021-06-11 19:06:25,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:25,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:25,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:25,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:25,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:25,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:25,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:25,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:25,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:25,511 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:25,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:25,531 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:06:25,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:06:25,550 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:25,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110210850] [2021-06-11 19:06:25,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:25,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:25,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300162765] [2021-06-11 19:06:25,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:25,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:25,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:25,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:25,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:25,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 423 transitions, 16831 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:25,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:25,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:25,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:26,319 INFO L129 PetriNetUnfolder]: 228/2648 cut-off events. [2021-06-11 19:06:26,319 INFO L130 PetriNetUnfolder]: For 127173/127668 co-relation queries the response was YES. [2021-06-11 19:06:26,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22474 conditions, 2648 events. 228/2648 cut-off events. For 127173/127668 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 36878 event pairs, 53 based on Foata normal form. 18/2562 useless extension candidates. Maximal degree in co-relation 22337. Up to 406 conditions per place. [2021-06-11 19:06:26,355 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 268 selfloop transitions, 144 changer transitions 3/429 dead transitions. [2021-06-11 19:06:26,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 429 transitions, 17863 flow [2021-06-11 19:06:26,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:26,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:26,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:26,362 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:26,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:26,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:26,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:26,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:26,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:26,363 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:26,363 INFO L185 Difference]: Start difference. First operand has 380 places, 423 transitions, 16831 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:26,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 429 transitions, 17863 flow [2021-06-11 19:06:27,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 429 transitions, 17403 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-06-11 19:06:27,035 INFO L241 Difference]: Finished difference. Result has 377 places, 420 transitions, 16574 flow [2021-06-11 19:06:27,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16419, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16574, PETRI_PLACES=377, PETRI_TRANSITIONS=420} [2021-06-11 19:06:27,035 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-06-11 19:06:27,035 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:27,036 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 420 transitions, 16574 flow [2021-06-11 19:06:27,036 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 420 transitions, 16574 flow [2021-06-11 19:06:27,040 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 420 transitions, 16574 flow [2021-06-11 19:06:27,438 INFO L129 PetriNetUnfolder]: 164/2520 cut-off events. [2021-06-11 19:06:27,438 INFO L130 PetriNetUnfolder]: For 102003/102203 co-relation queries the response was YES. [2021-06-11 19:06:27,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18903 conditions, 2520 events. 164/2520 cut-off events. For 102003/102203 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36144 event pairs, 0 based on Foata normal form. 0/2466 useless extension candidates. Maximal degree in co-relation 18772. Up to 328 conditions per place. [2021-06-11 19:06:27,489 INFO L151 LiptonReduction]: Number of co-enabled transitions 2874 [2021-06-11 19:06:27,517 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:27,517 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:27,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-06-11 19:06:27,517 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 420 transitions, 16574 flow [2021-06-11 19:06:27,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:27,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:27,518 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:27,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-06-11 19:06:27,518 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:27,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:27,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1799376378, now seen corresponding path program 70 times [2021-06-11 19:06:27,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:27,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602878283] [2021-06-11 19:06:27,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:27,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:27,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:27,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:27,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:27,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:27,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:27,537 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:27,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:27,553 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:06:27,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:06:27,569 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:27,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:27,587 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:27,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:27,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:27,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602878283] [2021-06-11 19:06:27,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:27,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:27,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612783389] [2021-06-11 19:06:27,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:27,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:27,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:27,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:27,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:27,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 420 transitions, 16574 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:27,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:27,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:27,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:28,393 INFO L129 PetriNetUnfolder]: 227/2636 cut-off events. [2021-06-11 19:06:28,394 INFO L130 PetriNetUnfolder]: For 108801/109296 co-relation queries the response was YES. [2021-06-11 19:06:28,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21035 conditions, 2636 events. 227/2636 cut-off events. For 108801/109296 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36638 event pairs, 53 based on Foata normal form. 19/2551 useless extension candidates. Maximal degree in co-relation 20903. Up to 406 conditions per place. [2021-06-11 19:06:28,427 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 152 changer transitions 0/426 dead transitions. [2021-06-11 19:06:28,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 426 transitions, 17560 flow [2021-06-11 19:06:28,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:28,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:28,428 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:28,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:28,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:28,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:28,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:28,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:28,429 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:28,429 INFO L185 Difference]: Start difference. First operand has 376 places, 420 transitions, 16574 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:28,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 426 transitions, 17560 flow [2021-06-11 19:06:29,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 426 transitions, 17403 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:29,010 INFO L241 Difference]: Finished difference. Result has 380 places, 420 transitions, 16732 flow [2021-06-11 19:06:29,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16425, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16732, PETRI_PLACES=380, PETRI_TRANSITIONS=420} [2021-06-11 19:06:29,010 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 342 predicate places. [2021-06-11 19:06:29,010 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:29,010 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 420 transitions, 16732 flow [2021-06-11 19:06:29,010 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 420 transitions, 16732 flow [2021-06-11 19:06:29,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 420 transitions, 16732 flow [2021-06-11 19:06:29,413 INFO L129 PetriNetUnfolder]: 164/2519 cut-off events. [2021-06-11 19:06:29,413 INFO L130 PetriNetUnfolder]: For 102711/102910 co-relation queries the response was YES. [2021-06-11 19:06:29,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19123 conditions, 2519 events. 164/2519 cut-off events. For 102711/102910 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36066 event pairs, 0 based on Foata normal form. 0/2466 useless extension candidates. Maximal degree in co-relation 18993. Up to 328 conditions per place. [2021-06-11 19:06:29,463 INFO L151 LiptonReduction]: Number of co-enabled transitions 2874 [2021-06-11 19:06:29,492 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:29,492 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:29,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-06-11 19:06:29,492 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 420 transitions, 16732 flow [2021-06-11 19:06:29,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:29,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:29,492 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:29,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-06-11 19:06:29,492 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:29,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:29,493 INFO L82 PathProgramCache]: Analyzing trace with hash -259402748, now seen corresponding path program 71 times [2021-06-11 19:06:29,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:29,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812333290] [2021-06-11 19:06:29,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:29,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:29,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:29,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:29,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:29,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:29,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:29,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:29,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:29,527 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:06:29,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:06:29,542 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:06:29,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:06:29,560 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:29,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:29,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:29,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812333290] [2021-06-11 19:06:29,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:29,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:29,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349116019] [2021-06-11 19:06:29,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:29,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:29,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:29,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:29,578 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:29,578 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 420 transitions, 16732 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:29,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:29,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:29,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:30,324 INFO L129 PetriNetUnfolder]: 227/2635 cut-off events. [2021-06-11 19:06:30,325 INFO L130 PetriNetUnfolder]: For 109137/109632 co-relation queries the response was YES. [2021-06-11 19:06:30,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21264 conditions, 2635 events. 227/2635 cut-off events. For 109137/109632 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36660 event pairs, 53 based on Foata normal form. 19/2551 useless extension candidates. Maximal degree in co-relation 21133. Up to 406 conditions per place. [2021-06-11 19:06:30,357 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 148 changer transitions 4/426 dead transitions. [2021-06-11 19:06:30,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 426 transitions, 17718 flow [2021-06-11 19:06:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:30,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:30,358 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:30,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:30,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:30,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:30,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:30,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:30,359 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:30,359 INFO L185 Difference]: Start difference. First operand has 380 places, 420 transitions, 16732 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:30,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 426 transitions, 17718 flow [2021-06-11 19:06:30,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 426 transitions, 17391 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:30,985 INFO L241 Difference]: Finished difference. Result has 383 places, 416 transitions, 16482 flow [2021-06-11 19:06:30,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16405, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16482, PETRI_PLACES=383, PETRI_TRANSITIONS=416} [2021-06-11 19:06:30,986 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 345 predicate places. [2021-06-11 19:06:30,986 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:30,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 383 places, 416 transitions, 16482 flow [2021-06-11 19:06:30,986 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 383 places, 416 transitions, 16482 flow [2021-06-11 19:06:30,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 416 transitions, 16482 flow [2021-06-11 19:06:31,404 INFO L129 PetriNetUnfolder]: 163/2504 cut-off events. [2021-06-11 19:06:31,404 INFO L130 PetriNetUnfolder]: For 102036/102236 co-relation queries the response was YES. [2021-06-11 19:06:31,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19267 conditions, 2504 events. 163/2504 cut-off events. For 102036/102236 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 35740 event pairs, 0 based on Foata normal form. 0/2450 useless extension candidates. Maximal degree in co-relation 19138. Up to 326 conditions per place. [2021-06-11 19:06:31,450 INFO L151 LiptonReduction]: Number of co-enabled transitions 2828 [2021-06-11 19:06:31,476 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:31,476 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:31,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 491 [2021-06-11 19:06:31,477 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 416 transitions, 16482 flow [2021-06-11 19:06:31,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:31,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:31,477 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:31,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-06-11 19:06:31,477 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:31,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:31,477 INFO L82 PathProgramCache]: Analyzing trace with hash 190516096, now seen corresponding path program 72 times [2021-06-11 19:06:31,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:31,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834430889] [2021-06-11 19:06:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:31,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:31,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:31,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:31,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:31,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:31,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:31,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:06:31,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:06:31,539 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:31,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:31,557 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:31,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:31,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834430889] [2021-06-11 19:06:31,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:31,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:31,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537066400] [2021-06-11 19:06:31,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:31,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:31,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:31,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:31,583 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:31,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 416 transitions, 16482 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:31,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:31,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:31,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:32,310 INFO L129 PetriNetUnfolder]: 226/2620 cut-off events. [2021-06-11 19:06:32,310 INFO L130 PetriNetUnfolder]: For 109010/109503 co-relation queries the response was YES. [2021-06-11 19:06:32,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21401 conditions, 2620 events. 226/2620 cut-off events. For 109010/109503 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 36367 event pairs, 53 based on Foata normal form. 18/2536 useless extension candidates. Maximal degree in co-relation 21271. Up to 406 conditions per place. [2021-06-11 19:06:32,341 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 262 selfloop transitions, 144 changer transitions 2/422 dead transitions. [2021-06-11 19:06:32,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 422 transitions, 17468 flow [2021-06-11 19:06:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:32,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:32,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:32,342 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:32,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:32,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:32,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:32,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:32,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:32,344 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:32,344 INFO L185 Difference]: Start difference. First operand has 381 places, 416 transitions, 16482 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:32,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 422 transitions, 17468 flow [2021-06-11 19:06:32,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 422 transitions, 17228 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:32,953 INFO L241 Difference]: Finished difference. Result has 385 places, 415 transitions, 16535 flow [2021-06-11 19:06:32,953 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16258, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16535, PETRI_PLACES=385, PETRI_TRANSITIONS=415} [2021-06-11 19:06:32,953 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 347 predicate places. [2021-06-11 19:06:32,953 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:32,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 415 transitions, 16535 flow [2021-06-11 19:06:32,953 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 415 transitions, 16535 flow [2021-06-11 19:06:32,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 384 places, 415 transitions, 16535 flow [2021-06-11 19:06:33,351 INFO L129 PetriNetUnfolder]: 162/2494 cut-off events. [2021-06-11 19:06:33,352 INFO L130 PetriNetUnfolder]: For 100838/101038 co-relation queries the response was YES. [2021-06-11 19:06:33,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19048 conditions, 2494 events. 162/2494 cut-off events. For 100838/101038 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 35585 event pairs, 0 based on Foata normal form. 0/2442 useless extension candidates. Maximal degree in co-relation 18919. Up to 324 conditions per place. [2021-06-11 19:06:33,401 INFO L151 LiptonReduction]: Number of co-enabled transitions 2828 [2021-06-11 19:06:33,429 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:33,429 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:33,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-06-11 19:06:33,429 INFO L480 AbstractCegarLoop]: Abstraction has has 384 places, 415 transitions, 16535 flow [2021-06-11 19:06:33,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:33,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:33,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:33,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-06-11 19:06:33,430 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:33,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:33,430 INFO L82 PathProgramCache]: Analyzing trace with hash -775394714, now seen corresponding path program 73 times [2021-06-11 19:06:33,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:33,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358939442] [2021-06-11 19:06:33,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:33,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:33,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:33,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:33,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:33,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:33,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:33,446 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:33,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:33,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:06:33,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:06:33,483 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:33,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:33,501 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:33,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:33,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358939442] [2021-06-11 19:06:33,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:33,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:33,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434067789] [2021-06-11 19:06:33,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:33,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:33,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:33,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:33,521 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:33,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 415 transitions, 16535 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:33,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:33,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:33,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:34,301 INFO L129 PetriNetUnfolder]: 225/2610 cut-off events. [2021-06-11 19:06:34,301 INFO L130 PetriNetUnfolder]: For 107478/107973 co-relation queries the response was YES. [2021-06-11 19:06:34,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21180 conditions, 2610 events. 225/2610 cut-off events. For 107478/107973 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 36190 event pairs, 53 based on Foata normal form. 19/2526 useless extension candidates. Maximal degree in co-relation 21050. Up to 406 conditions per place. [2021-06-11 19:06:34,328 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 143 changer transitions 2/420 dead transitions. [2021-06-11 19:06:34,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 420 transitions, 17465 flow [2021-06-11 19:06:34,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:34,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:34,329 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:34,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:34,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:34,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:34,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:34,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:34,330 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:34,330 INFO L185 Difference]: Start difference. First operand has 384 places, 415 transitions, 16535 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:34,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 420 transitions, 17465 flow [2021-06-11 19:06:34,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 420 transitions, 17229 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:34,876 INFO L241 Difference]: Finished difference. Result has 388 places, 413 transitions, 16488 flow [2021-06-11 19:06:34,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16307, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16488, PETRI_PLACES=388, PETRI_TRANSITIONS=413} [2021-06-11 19:06:34,876 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 350 predicate places. [2021-06-11 19:06:34,876 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:34,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 413 transitions, 16488 flow [2021-06-11 19:06:34,877 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 413 transitions, 16488 flow [2021-06-11 19:06:34,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 387 places, 413 transitions, 16488 flow [2021-06-11 19:06:35,268 INFO L129 PetriNetUnfolder]: 161/2484 cut-off events. [2021-06-11 19:06:35,269 INFO L130 PetriNetUnfolder]: For 100571/100771 co-relation queries the response was YES. [2021-06-11 19:06:35,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19048 conditions, 2484 events. 161/2484 cut-off events. For 100571/100771 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35456 event pairs, 0 based on Foata normal form. 0/2432 useless extension candidates. Maximal degree in co-relation 18919. Up to 322 conditions per place. [2021-06-11 19:06:35,316 INFO L151 LiptonReduction]: Number of co-enabled transitions 2824 [2021-06-11 19:06:35,344 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:35,344 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:35,344 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 468 [2021-06-11 19:06:35,344 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 413 transitions, 16488 flow [2021-06-11 19:06:35,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:35,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:35,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:35,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-06-11 19:06:35,344 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:35,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:35,345 INFO L82 PathProgramCache]: Analyzing trace with hash -323408046, now seen corresponding path program 74 times [2021-06-11 19:06:35,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:35,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899170039] [2021-06-11 19:06:35,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:35,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:35,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:35,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:35,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:35,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:35,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:35,373 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:35,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:35,391 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:35,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:35,416 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:06:35,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:06:35,437 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:35,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:35,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899170039] [2021-06-11 19:06:35,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:35,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:35,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296805284] [2021-06-11 19:06:35,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:35,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:35,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:35,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:35,458 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:35,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 413 transitions, 16488 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:35,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:35,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:35,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:36,204 INFO L129 PetriNetUnfolder]: 224/2600 cut-off events. [2021-06-11 19:06:36,204 INFO L130 PetriNetUnfolder]: For 106882/107377 co-relation queries the response was YES. [2021-06-11 19:06:36,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21177 conditions, 2600 events. 224/2600 cut-off events. For 106882/107377 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 36049 event pairs, 53 based on Foata normal form. 19/2516 useless extension candidates. Maximal degree in co-relation 21047. Up to 427 conditions per place. [2021-06-11 19:06:36,236 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 272 selfloop transitions, 141 changer transitions 0/427 dead transitions. [2021-06-11 19:06:36,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 427 transitions, 17792 flow [2021-06-11 19:06:36,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:36,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:36,237 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:36,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:36,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:36,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:36,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:36,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:36,238 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:36,238 INFO L185 Difference]: Start difference. First operand has 387 places, 413 transitions, 16488 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:36,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 427 transitions, 17792 flow [2021-06-11 19:06:36,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 427 transitions, 17416 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-06-11 19:06:36,854 INFO L241 Difference]: Finished difference. Result has 390 places, 422 transitions, 16829 flow [2021-06-11 19:06:36,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16120, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16829, PETRI_PLACES=390, PETRI_TRANSITIONS=422} [2021-06-11 19:06:36,855 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 352 predicate places. [2021-06-11 19:06:36,855 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:36,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 422 transitions, 16829 flow [2021-06-11 19:06:36,856 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 422 transitions, 16829 flow [2021-06-11 19:06:36,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 422 transitions, 16829 flow [2021-06-11 19:06:37,264 INFO L129 PetriNetUnfolder]: 161/2483 cut-off events. [2021-06-11 19:06:37,264 INFO L130 PetriNetUnfolder]: For 100394/100593 co-relation queries the response was YES. [2021-06-11 19:06:37,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18920 conditions, 2483 events. 161/2483 cut-off events. For 100394/100593 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35431 event pairs, 0 based on Foata normal form. 0/2430 useless extension candidates. Maximal degree in co-relation 18790. Up to 322 conditions per place. [2021-06-11 19:06:37,401 INFO L151 LiptonReduction]: Number of co-enabled transitions 2848 [2021-06-11 19:06:37,428 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:37,429 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:37,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 574 [2021-06-11 19:06:37,429 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 422 transitions, 16829 flow [2021-06-11 19:06:37,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:37,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:37,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:37,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-06-11 19:06:37,429 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:37,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:37,430 INFO L82 PathProgramCache]: Analyzing trace with hash 723540934, now seen corresponding path program 75 times [2021-06-11 19:06:37,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:37,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605069099] [2021-06-11 19:06:37,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:37,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:37,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:37,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:37,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:37,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:37,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:37,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:37,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:37,504 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:37,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:37,528 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:06:37,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:06:37,549 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:37,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:37,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605069099] [2021-06-11 19:06:37,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:37,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:37,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720892390] [2021-06-11 19:06:37,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:37,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:37,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:37,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:37,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:37,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 422 transitions, 16829 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:37,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:37,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:37,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:38,292 INFO L129 PetriNetUnfolder]: 224/2599 cut-off events. [2021-06-11 19:06:38,292 INFO L130 PetriNetUnfolder]: For 107192/107687 co-relation queries the response was YES. [2021-06-11 19:06:38,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21038 conditions, 2599 events. 224/2599 cut-off events. For 107192/107687 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 36034 event pairs, 53 based on Foata normal form. 19/2515 useless extension candidates. Maximal degree in co-relation 20907. Up to 427 conditions per place. [2021-06-11 19:06:38,327 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 276 selfloop transitions, 135 changer transitions 2/427 dead transitions. [2021-06-11 19:06:38,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 427 transitions, 17773 flow [2021-06-11 19:06:38,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:38,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:38,328 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:38,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:38,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:38,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:38,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:38,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:38,350 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:38,350 INFO L185 Difference]: Start difference. First operand has 390 places, 422 transitions, 16829 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:38,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 427 transitions, 17773 flow [2021-06-11 19:06:38,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 427 transitions, 17549 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 19:06:38,998 INFO L241 Difference]: Finished difference. Result has 395 places, 420 transitions, 16780 flow [2021-06-11 19:06:38,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16605, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16780, PETRI_PLACES=395, PETRI_TRANSITIONS=420} [2021-06-11 19:06:38,998 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 357 predicate places. [2021-06-11 19:06:38,999 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:38,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 420 transitions, 16780 flow [2021-06-11 19:06:38,999 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 420 transitions, 16780 flow [2021-06-11 19:06:39,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 420 transitions, 16780 flow [2021-06-11 19:06:39,412 INFO L129 PetriNetUnfolder]: 160/2473 cut-off events. [2021-06-11 19:06:39,412 INFO L130 PetriNetUnfolder]: For 102657/102857 co-relation queries the response was YES. [2021-06-11 19:06:39,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19166 conditions, 2473 events. 160/2473 cut-off events. For 102657/102857 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35301 event pairs, 0 based on Foata normal form. 0/2421 useless extension candidates. Maximal degree in co-relation 19035. Up to 320 conditions per place. [2021-06-11 19:06:39,465 INFO L151 LiptonReduction]: Number of co-enabled transitions 2830 [2021-06-11 19:06:39,494 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:39,494 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:39,494 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 496 [2021-06-11 19:06:39,495 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 420 transitions, 16780 flow [2021-06-11 19:06:39,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:39,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:39,495 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:39,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-06-11 19:06:39,495 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:39,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:39,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1524776512, now seen corresponding path program 76 times [2021-06-11 19:06:39,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:39,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495568982] [2021-06-11 19:06:39,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:39,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:39,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:39,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:39,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:39,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:39,518 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:39,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:39,533 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:06:39,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:06:39,547 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:39,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:39,566 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:39,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:39,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495568982] [2021-06-11 19:06:39,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:39,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:39,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176123253] [2021-06-11 19:06:39,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:39,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:39,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:39,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:39,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:39,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 420 transitions, 16780 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:39,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:39,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:39,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:40,331 INFO L129 PetriNetUnfolder]: 223/2589 cut-off events. [2021-06-11 19:06:40,331 INFO L130 PetriNetUnfolder]: For 109395/109888 co-relation queries the response was YES. [2021-06-11 19:06:40,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21280 conditions, 2589 events. 223/2589 cut-off events. For 109395/109888 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35887 event pairs, 53 based on Foata normal form. 18/2504 useless extension candidates. Maximal degree in co-relation 21148. Up to 427 conditions per place. [2021-06-11 19:06:40,363 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 132 changer transitions 1/426 dead transitions. [2021-06-11 19:06:40,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 426 transitions, 17772 flow [2021-06-11 19:06:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:40,364 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:40,364 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:40,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:40,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:40,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:40,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:40,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:40,365 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:40,366 INFO L185 Difference]: Start difference. First operand has 394 places, 420 transitions, 16780 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:40,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 426 transitions, 17772 flow [2021-06-11 19:06:41,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 426 transitions, 17501 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:41,047 INFO L241 Difference]: Finished difference. Result has 398 places, 420 transitions, 16787 flow [2021-06-11 19:06:41,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16518, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16787, PETRI_PLACES=398, PETRI_TRANSITIONS=420} [2021-06-11 19:06:41,047 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 360 predicate places. [2021-06-11 19:06:41,047 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:41,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 420 transitions, 16787 flow [2021-06-11 19:06:41,047 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 420 transitions, 16787 flow [2021-06-11 19:06:41,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 420 transitions, 16787 flow [2021-06-11 19:06:41,441 INFO L129 PetriNetUnfolder]: 159/2464 cut-off events. [2021-06-11 19:06:41,441 INFO L130 PetriNetUnfolder]: For 102662/102862 co-relation queries the response was YES. [2021-06-11 19:06:41,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19140 conditions, 2464 events. 159/2464 cut-off events. For 102662/102862 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 35111 event pairs, 0 based on Foata normal form. 0/2412 useless extension candidates. Maximal degree in co-relation 19008. Up to 318 conditions per place. [2021-06-11 19:06:41,490 INFO L151 LiptonReduction]: Number of co-enabled transitions 2836 [2021-06-11 19:06:41,517 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:41,518 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:41,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-06-11 19:06:41,518 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 420 transitions, 16787 flow [2021-06-11 19:06:41,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:41,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:41,518 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:41,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-06-11 19:06:41,518 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:41,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:41,518 INFO L82 PathProgramCache]: Analyzing trace with hash 946021150, now seen corresponding path program 77 times [2021-06-11 19:06:41,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:41,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836142985] [2021-06-11 19:06:41,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:41,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:41,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:41,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:41,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:41,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:41,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:41,536 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:41,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:41,550 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:06:41,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:06:41,571 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:41,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:41,589 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:41,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:41,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836142985] [2021-06-11 19:06:41,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:41,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:41,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97685646] [2021-06-11 19:06:41,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:41,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:41,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:41,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:41,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:41,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 420 transitions, 16787 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:41,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:41,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:41,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:42,348 INFO L129 PetriNetUnfolder]: 222/2580 cut-off events. [2021-06-11 19:06:42,348 INFO L130 PetriNetUnfolder]: For 109360/109853 co-relation queries the response was YES. [2021-06-11 19:06:42,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21252 conditions, 2580 events. 222/2580 cut-off events. For 109360/109853 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 35695 event pairs, 53 based on Foata normal form. 18/2495 useless extension candidates. Maximal degree in co-relation 21119. Up to 427 conditions per place. [2021-06-11 19:06:42,380 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 134 changer transitions 4/425 dead transitions. [2021-06-11 19:06:42,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 425 transitions, 17735 flow [2021-06-11 19:06:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:42,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:42,381 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:42,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:42,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:42,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:42,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:42,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:42,382 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:42,382 INFO L185 Difference]: Start difference. First operand has 397 places, 420 transitions, 16787 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:42,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 425 transitions, 17735 flow [2021-06-11 19:06:42,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 425 transitions, 17473 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:43,003 INFO L241 Difference]: Finished difference. Result has 400 places, 416 transitions, 16595 flow [2021-06-11 19:06:43,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16533, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16595, PETRI_PLACES=400, PETRI_TRANSITIONS=416} [2021-06-11 19:06:43,003 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 362 predicate places. [2021-06-11 19:06:43,003 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:43,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 416 transitions, 16595 flow [2021-06-11 19:06:43,003 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 416 transitions, 16595 flow [2021-06-11 19:06:43,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 416 transitions, 16595 flow [2021-06-11 19:06:43,400 INFO L129 PetriNetUnfolder]: 158/2447 cut-off events. [2021-06-11 19:06:43,401 INFO L130 PetriNetUnfolder]: For 101467/101667 co-relation queries the response was YES. [2021-06-11 19:06:43,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18994 conditions, 2447 events. 158/2447 cut-off events. For 101467/101667 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 34827 event pairs, 0 based on Foata normal form. 0/2395 useless extension candidates. Maximal degree in co-relation 18862. Up to 316 conditions per place. [2021-06-11 19:06:43,450 INFO L151 LiptonReduction]: Number of co-enabled transitions 2800 [2021-06-11 19:06:43,478 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:43,479 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:43,479 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-06-11 19:06:43,479 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 416 transitions, 16595 flow [2021-06-11 19:06:43,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:43,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:43,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:43,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-06-11 19:06:43,479 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:43,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:43,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1610800874, now seen corresponding path program 78 times [2021-06-11 19:06:43,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:43,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603020] [2021-06-11 19:06:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:43,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:43,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:43,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:43,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:43,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:43,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:43,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:43,504 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:06:43,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:06:43,527 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:43,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:43,544 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:43,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603020] [2021-06-11 19:06:43,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:43,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:43,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189765702] [2021-06-11 19:06:43,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:43,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:43,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:43,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:43,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:43,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 416 transitions, 16595 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:43,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:43,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:43,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:44,307 INFO L129 PetriNetUnfolder]: 224/2727 cut-off events. [2021-06-11 19:06:44,307 INFO L130 PetriNetUnfolder]: For 114617/115112 co-relation queries the response was YES. [2021-06-11 19:06:44,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22288 conditions, 2727 events. 224/2727 cut-off events. For 114617/115112 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 38368 event pairs, 53 based on Foata normal form. 16/2640 useless extension candidates. Maximal degree in co-relation 22155. Up to 428 conditions per place. [2021-06-11 19:06:44,341 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 327 selfloop transitions, 132 changer transitions 2/475 dead transitions. [2021-06-11 19:06:44,341 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 475 transitions, 20031 flow [2021-06-11 19:06:44,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:44,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:44,342 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:44,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:44,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:44,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:44,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:44,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:44,343 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:44,343 INFO L185 Difference]: Start difference. First operand has 398 places, 416 transitions, 16595 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:44,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 475 transitions, 20031 flow [2021-06-11 19:06:44,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 475 transitions, 19694 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-06-11 19:06:45,000 INFO L241 Difference]: Finished difference. Result has 404 places, 434 transitions, 17612 flow [2021-06-11 19:06:45,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16328, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17612, PETRI_PLACES=404, PETRI_TRANSITIONS=434} [2021-06-11 19:06:45,000 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 366 predicate places. [2021-06-11 19:06:45,000 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:45,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 434 transitions, 17612 flow [2021-06-11 19:06:45,001 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 434 transitions, 17612 flow [2021-06-11 19:06:45,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 434 transitions, 17612 flow [2021-06-11 19:06:45,433 INFO L129 PetriNetUnfolder]: 170/2624 cut-off events. [2021-06-11 19:06:45,434 INFO L130 PetriNetUnfolder]: For 112329/112516 co-relation queries the response was YES. [2021-06-11 19:06:45,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20327 conditions, 2624 events. 170/2624 cut-off events. For 112329/112516 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 37864 event pairs, 0 based on Foata normal form. 0/2566 useless extension candidates. Maximal degree in co-relation 20192. Up to 340 conditions per place. [2021-06-11 19:06:45,487 INFO L151 LiptonReduction]: Number of co-enabled transitions 2954 [2021-06-11 19:06:45,518 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:45,518 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:45,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 518 [2021-06-11 19:06:45,518 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 434 transitions, 17612 flow [2021-06-11 19:06:45,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:45,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:45,518 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:45,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-06-11 19:06:45,518 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:45,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:45,519 INFO L82 PathProgramCache]: Analyzing trace with hash -321503262, now seen corresponding path program 79 times [2021-06-11 19:06:45,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:45,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010321919] [2021-06-11 19:06:45,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:45,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:45,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:45,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:45,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:45,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:45,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:45,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:45,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:45,543 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:06:45,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:06:45,566 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:45,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:45,584 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:45,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:45,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010321919] [2021-06-11 19:06:45,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:45,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:45,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178229716] [2021-06-11 19:06:45,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:45,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:45,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:45,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:45,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:45,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 434 transitions, 17612 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:45,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:45,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:45,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:46,408 INFO L129 PetriNetUnfolder]: 223/2717 cut-off events. [2021-06-11 19:06:46,408 INFO L130 PetriNetUnfolder]: For 116507/117041 co-relation queries the response was YES. [2021-06-11 19:06:46,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22124 conditions, 2717 events. 223/2717 cut-off events. For 116507/117041 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 38173 event pairs, 53 based on Foata normal form. 19/2640 useless extension candidates. Maximal degree in co-relation 21988. Up to 448 conditions per place. [2021-06-11 19:06:46,448 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 143 changer transitions 2/459 dead transitions. [2021-06-11 19:06:46,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 459 transitions, 19486 flow [2021-06-11 19:06:46,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:46,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:46,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:46,449 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:46,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:46,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:46,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:46,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:46,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:46,453 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:46,453 INFO L185 Difference]: Start difference. First operand has 403 places, 434 transitions, 17612 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:46,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 459 transitions, 19486 flow [2021-06-11 19:06:47,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 459 transitions, 19339 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-06-11 19:06:47,248 INFO L241 Difference]: Finished difference. Result has 410 places, 438 transitions, 18067 flow [2021-06-11 19:06:47,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17474, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18067, PETRI_PLACES=410, PETRI_TRANSITIONS=438} [2021-06-11 19:06:47,249 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 372 predicate places. [2021-06-11 19:06:47,249 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:47,249 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 438 transitions, 18067 flow [2021-06-11 19:06:47,250 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 438 transitions, 18067 flow [2021-06-11 19:06:47,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 438 transitions, 18067 flow [2021-06-11 19:06:47,700 INFO L129 PetriNetUnfolder]: 169/2614 cut-off events. [2021-06-11 19:06:47,700 INFO L130 PetriNetUnfolder]: For 115007/115171 co-relation queries the response was YES. [2021-06-11 19:06:47,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20554 conditions, 2614 events. 169/2614 cut-off events. For 115007/115171 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37702 event pairs, 0 based on Foata normal form. 0/2560 useless extension candidates. Maximal degree in co-relation 20417. Up to 338 conditions per place. [2021-06-11 19:06:47,756 INFO L151 LiptonReduction]: Number of co-enabled transitions 2974 [2021-06-11 19:06:47,827 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:47,827 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:47,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 579 [2021-06-11 19:06:47,828 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 438 transitions, 18067 flow [2021-06-11 19:06:47,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:47,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:47,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:47,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-06-11 19:06:47,828 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:47,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:47,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1127740514, now seen corresponding path program 80 times [2021-06-11 19:06:47,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:47,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537859842] [2021-06-11 19:06:47,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:47,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:47,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:47,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:47,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:47,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:47,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:47,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:47,888 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:06:47,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:06:47,926 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:47,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:47,944 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:47,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:47,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537859842] [2021-06-11 19:06:47,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:47,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:47,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721851757] [2021-06-11 19:06:47,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:47,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:47,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:47,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:47,975 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:47,975 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 438 transitions, 18067 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:47,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:47,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:47,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:48,943 INFO L129 PetriNetUnfolder]: 222/2707 cut-off events. [2021-06-11 19:06:48,943 INFO L130 PetriNetUnfolder]: For 120106/120681 co-relation queries the response was YES. [2021-06-11 19:06:48,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22348 conditions, 2707 events. 222/2707 cut-off events. For 120106/120681 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 38011 event pairs, 53 based on Foata normal form. 22/2632 useless extension candidates. Maximal degree in co-relation 22210. Up to 448 conditions per place. [2021-06-11 19:06:48,980 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 141 changer transitions 2/457 dead transitions. [2021-06-11 19:06:48,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 457 transitions, 19645 flow [2021-06-11 19:06:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:48,981 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:48,981 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:48,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:48,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:48,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:48,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:48,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:48,982 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:48,982 INFO L185 Difference]: Start difference. First operand has 409 places, 438 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:48,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 457 transitions, 19645 flow [2021-06-11 19:06:49,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 457 transitions, 19423 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:49,711 INFO L241 Difference]: Finished difference. Result has 413 places, 439 transitions, 18212 flow [2021-06-11 19:06:49,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17853, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18212, PETRI_PLACES=413, PETRI_TRANSITIONS=439} [2021-06-11 19:06:49,711 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 375 predicate places. [2021-06-11 19:06:49,711 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:49,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 439 transitions, 18212 flow [2021-06-11 19:06:49,711 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 439 transitions, 18212 flow [2021-06-11 19:06:49,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 439 transitions, 18212 flow [2021-06-11 19:06:50,158 INFO L129 PetriNetUnfolder]: 168/2604 cut-off events. [2021-06-11 19:06:50,162 INFO L130 PetriNetUnfolder]: For 114438/114613 co-relation queries the response was YES. [2021-06-11 19:06:50,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20675 conditions, 2604 events. 168/2604 cut-off events. For 114438/114613 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37560 event pairs, 0 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 20539. Up to 336 conditions per place. [2021-06-11 19:06:50,217 INFO L151 LiptonReduction]: Number of co-enabled transitions 2996 [2021-06-11 19:06:50,247 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:50,247 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:50,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 536 [2021-06-11 19:06:50,248 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 439 transitions, 18212 flow [2021-06-11 19:06:50,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:50,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:50,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:50,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-06-11 19:06:50,249 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:50,249 INFO L82 PathProgramCache]: Analyzing trace with hash -807282246, now seen corresponding path program 81 times [2021-06-11 19:06:50,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:50,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232397118] [2021-06-11 19:06:50,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:50,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:50,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:50,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:50,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:50,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:50,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:50,304 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:50,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:50,322 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:50,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:50,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232397118] [2021-06-11 19:06:50,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:50,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:50,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366378192] [2021-06-11 19:06:50,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:50,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:50,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:50,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:50,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:50,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 439 transitions, 18212 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:50,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:50,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:50,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:51,098 INFO L129 PetriNetUnfolder]: 221/2697 cut-off events. [2021-06-11 19:06:51,098 INFO L130 PetriNetUnfolder]: For 118776/119344 co-relation queries the response was YES. [2021-06-11 19:06:51,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22466 conditions, 2697 events. 221/2697 cut-off events. For 118776/119344 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37852 event pairs, 53 based on Foata normal form. 22/2622 useless extension candidates. Maximal degree in co-relation 22329. Up to 448 conditions per place. [2021-06-11 19:06:51,133 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 296 selfloop transitions, 145 changer transitions 0/455 dead transitions. [2021-06-11 19:06:51,133 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 455 transitions, 19626 flow [2021-06-11 19:06:51,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:51,134 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:51,134 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:51,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:51,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:51,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:51,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:51,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:51,135 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:51,135 INFO L185 Difference]: Start difference. First operand has 412 places, 439 transitions, 18212 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:51,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 455 transitions, 19626 flow [2021-06-11 19:06:51,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 455 transitions, 19344 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:51,825 INFO L241 Difference]: Finished difference. Result has 416 places, 447 transitions, 18592 flow [2021-06-11 19:06:51,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17938, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18592, PETRI_PLACES=416, PETRI_TRANSITIONS=447} [2021-06-11 19:06:51,825 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 378 predicate places. [2021-06-11 19:06:51,825 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:51,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 447 transitions, 18592 flow [2021-06-11 19:06:51,825 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 447 transitions, 18592 flow [2021-06-11 19:06:51,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 447 transitions, 18592 flow [2021-06-11 19:06:52,262 INFO L129 PetriNetUnfolder]: 168/2603 cut-off events. [2021-06-11 19:06:52,262 INFO L130 PetriNetUnfolder]: For 115106/115270 co-relation queries the response was YES. [2021-06-11 19:06:52,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20704 conditions, 2603 events. 168/2603 cut-off events. For 115106/115270 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37507 event pairs, 0 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 20567. Up to 336 conditions per place. [2021-06-11 19:06:52,317 INFO L151 LiptonReduction]: Number of co-enabled transitions 3012 [2021-06-11 19:06:52,348 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:52,348 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:52,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 523 [2021-06-11 19:06:52,349 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 447 transitions, 18592 flow [2021-06-11 19:06:52,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:52,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:52,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:52,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-06-11 19:06:52,349 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:52,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:52,349 INFO L82 PathProgramCache]: Analyzing trace with hash -2123439550, now seen corresponding path program 82 times [2021-06-11 19:06:52,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:52,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647290407] [2021-06-11 19:06:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:52,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:52,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:52,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:52,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:52,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:52,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:52,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:52,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:52,374 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:06:52,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:06:52,387 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:52,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:52,405 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:52,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:52,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647290407] [2021-06-11 19:06:52,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:52,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:52,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307543888] [2021-06-11 19:06:52,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:52,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:52,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:52,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:52,424 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:52,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 447 transitions, 18592 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:52,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:52,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:52,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:53,244 INFO L129 PetriNetUnfolder]: 221/2696 cut-off events. [2021-06-11 19:06:53,244 INFO L130 PetriNetUnfolder]: For 119811/120377 co-relation queries the response was YES. [2021-06-11 19:06:53,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22494 conditions, 2696 events. 221/2696 cut-off events. For 119811/120377 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37880 event pairs, 53 based on Foata normal form. 21/2620 useless extension candidates. Maximal degree in co-relation 22356. Up to 448 conditions per place. [2021-06-11 19:06:53,278 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 297 selfloop transitions, 139 changer transitions 5/455 dead transitions. [2021-06-11 19:06:53,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 455 transitions, 19704 flow [2021-06-11 19:06:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:53,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:53,279 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:53,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:53,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:53,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:53,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:53,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:53,280 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:53,280 INFO L185 Difference]: Start difference. First operand has 416 places, 447 transitions, 18592 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:53,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 455 transitions, 19704 flow [2021-06-11 19:06:53,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 455 transitions, 19570 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 19:06:53,950 INFO L241 Difference]: Finished difference. Result has 423 places, 444 transitions, 18573 flow [2021-06-11 19:06:53,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18458, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18573, PETRI_PLACES=423, PETRI_TRANSITIONS=444} [2021-06-11 19:06:53,951 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 385 predicate places. [2021-06-11 19:06:53,951 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:53,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 444 transitions, 18573 flow [2021-06-11 19:06:53,951 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 444 transitions, 18573 flow [2021-06-11 19:06:53,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 444 transitions, 18573 flow [2021-06-11 19:06:54,386 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-06-11 19:06:54,387 INFO L130 PetriNetUnfolder]: For 117829/118015 co-relation queries the response was YES. [2021-06-11 19:06:54,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21037 conditions, 2586 events. 167/2586 cut-off events. For 117829/118015 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37255 event pairs, 0 based on Foata normal form. 1/2531 useless extension candidates. Maximal degree in co-relation 20898. Up to 334 conditions per place. [2021-06-11 19:06:54,440 INFO L151 LiptonReduction]: Number of co-enabled transitions 2994 [2021-06-11 19:06:54,477 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:54,477 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:54,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 526 [2021-06-11 19:06:54,477 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 444 transitions, 18573 flow [2021-06-11 19:06:54,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:54,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:54,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:54,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-06-11 19:06:54,478 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:54,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:54,478 INFO L82 PathProgramCache]: Analyzing trace with hash -390962630, now seen corresponding path program 83 times [2021-06-11 19:06:54,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:54,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289157064] [2021-06-11 19:06:54,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:54,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:54,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:54,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:54,503 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:06:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:06:54,516 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:54,534 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:54,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289157064] [2021-06-11 19:06:54,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:54,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:54,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919065532] [2021-06-11 19:06:54,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:54,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:54,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:54,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:54,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:54,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 444 transitions, 18573 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:54,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:54,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:54,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:55,389 INFO L129 PetriNetUnfolder]: 220/2679 cut-off events. [2021-06-11 19:06:55,390 INFO L130 PetriNetUnfolder]: For 122358/122924 co-relation queries the response was YES. [2021-06-11 19:06:55,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22820 conditions, 2679 events. 220/2679 cut-off events. For 122358/122924 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 37574 event pairs, 53 based on Foata normal form. 21/2603 useless extension candidates. Maximal degree in co-relation 22680. Up to 448 conditions per place. [2021-06-11 19:06:55,428 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 135 changer transitions 1/450 dead transitions. [2021-06-11 19:06:55,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 450 transitions, 19599 flow [2021-06-11 19:06:55,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:55,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:55,429 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:55,429 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:55,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:55,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:55,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:55,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:55,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:55,430 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:55,430 INFO L185 Difference]: Start difference. First operand has 421 places, 444 transitions, 18573 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:55,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 450 transitions, 19599 flow [2021-06-11 19:06:56,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 450 transitions, 19314 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-06-11 19:06:56,179 INFO L241 Difference]: Finished difference. Result has 424 places, 445 transitions, 18625 flow [2021-06-11 19:06:56,179 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18304, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18625, PETRI_PLACES=424, PETRI_TRANSITIONS=445} [2021-06-11 19:06:56,179 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 386 predicate places. [2021-06-11 19:06:56,179 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:56,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 445 transitions, 18625 flow [2021-06-11 19:06:56,179 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 445 transitions, 18625 flow [2021-06-11 19:06:56,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 445 transitions, 18625 flow [2021-06-11 19:06:56,718 INFO L129 PetriNetUnfolder]: 166/2577 cut-off events. [2021-06-11 19:06:56,718 INFO L130 PetriNetUnfolder]: For 116409/116584 co-relation queries the response was YES. [2021-06-11 19:06:56,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20753 conditions, 2577 events. 166/2577 cut-off events. For 116409/116584 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 37120 event pairs, 0 based on Foata normal form. 0/2521 useless extension candidates. Maximal degree in co-relation 20614. Up to 332 conditions per place. [2021-06-11 19:06:56,770 INFO L151 LiptonReduction]: Number of co-enabled transitions 3006 [2021-06-11 19:06:56,836 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:56,836 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:56,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 657 [2021-06-11 19:06:56,836 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 445 transitions, 18625 flow [2021-06-11 19:06:56,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:56,836 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:56,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:56,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-06-11 19:06:56,836 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:56,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1098442366, now seen corresponding path program 84 times [2021-06-11 19:06:56,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:56,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210560964] [2021-06-11 19:06:56,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:56,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:56,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:56,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:56,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:06:56,860 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:06:56,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:06:56,873 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:56,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:56,889 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:56,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:56,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210560964] [2021-06-11 19:06:56,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:56,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:56,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651630815] [2021-06-11 19:06:56,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:56,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:56,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:56,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:56,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:56,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 445 transitions, 18625 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:56,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:56,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:56,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:57,731 INFO L129 PetriNetUnfolder]: 219/2670 cut-off events. [2021-06-11 19:06:57,732 INFO L130 PetriNetUnfolder]: For 120663/121229 co-relation queries the response was YES. [2021-06-11 19:06:57,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22535 conditions, 2670 events. 219/2670 cut-off events. For 120663/121229 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37427 event pairs, 53 based on Foata normal form. 21/2594 useless extension candidates. Maximal degree in co-relation 22395. Up to 448 conditions per place. [2021-06-11 19:06:57,767 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 299 selfloop transitions, 134 changer transitions 2/449 dead transitions. [2021-06-11 19:06:57,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 449 transitions, 19575 flow [2021-06-11 19:06:57,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:06:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:06:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:06:57,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:06:57,768 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:06:57,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:06:57,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:06:57,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:06:57,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:57,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:57,769 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:57,769 INFO L185 Difference]: Start difference. First operand has 423 places, 445 transitions, 18625 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:06:57,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 449 transitions, 19575 flow [2021-06-11 19:06:58,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 449 transitions, 19334 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:06:58,497 INFO L241 Difference]: Finished difference. Result has 426 places, 443 transitions, 18551 flow [2021-06-11 19:06:58,497 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18392, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18551, PETRI_PLACES=426, PETRI_TRANSITIONS=443} [2021-06-11 19:06:58,497 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 388 predicate places. [2021-06-11 19:06:58,497 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:06:58,497 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 443 transitions, 18551 flow [2021-06-11 19:06:58,498 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 443 transitions, 18551 flow [2021-06-11 19:06:58,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 443 transitions, 18551 flow [2021-06-11 19:06:58,938 INFO L129 PetriNetUnfolder]: 165/2567 cut-off events. [2021-06-11 19:06:58,939 INFO L130 PetriNetUnfolder]: For 115511/115675 co-relation queries the response was YES. [2021-06-11 19:06:58,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20739 conditions, 2567 events. 165/2567 cut-off events. For 115511/115675 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36912 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20601. Up to 330 conditions per place. [2021-06-11 19:06:58,992 INFO L151 LiptonReduction]: Number of co-enabled transitions 2996 [2021-06-11 19:06:59,023 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:06:59,023 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:06:59,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 526 [2021-06-11 19:06:59,024 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 443 transitions, 18551 flow [2021-06-11 19:06:59,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:59,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:06:59,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:06:59,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-06-11 19:06:59,024 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:06:59,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:06:59,024 INFO L82 PathProgramCache]: Analyzing trace with hash -404992948, now seen corresponding path program 85 times [2021-06-11 19:06:59,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:06:59,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467093316] [2021-06-11 19:06:59,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:06:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:06:59,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:59,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:06:59,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:59,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:06:59,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:06:59,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:06:59,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:06:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:06:59,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:06:59,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:06:59,064 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:06:59,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:06:59,082 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:06:59,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:06:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:06:59,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467093316] [2021-06-11 19:06:59,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:06:59,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:06:59,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112689607] [2021-06-11 19:06:59,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:06:59,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:06:59,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:06:59,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:06:59,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:06:59,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 443 transitions, 18551 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:06:59,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:06:59,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:06:59,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:06:59,978 INFO L129 PetriNetUnfolder]: 218/2660 cut-off events. [2021-06-11 19:06:59,978 INFO L130 PetriNetUnfolder]: For 119980/120548 co-relation queries the response was YES. [2021-06-11 19:07:00,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22518 conditions, 2660 events. 218/2660 cut-off events. For 119980/120548 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37248 event pairs, 53 based on Foata normal form. 17/2582 useless extension candidates. Maximal degree in co-relation 22379. Up to 430 conditions per place. [2021-06-11 19:07:00,016 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 186 changer transitions 0/455 dead transitions. [2021-06-11 19:07:00,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 455 transitions, 19914 flow [2021-06-11 19:07:00,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:00,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:00,017 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:00,017 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:00,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:00,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:00,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:00,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:00,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:00,018 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:00,018 INFO L185 Difference]: Start difference. First operand has 425 places, 443 transitions, 18551 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:00,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 455 transitions, 19914 flow [2021-06-11 19:07:00,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 455 transitions, 19640 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:00,791 INFO L241 Difference]: Finished difference. Result has 429 places, 448 transitions, 19012 flow [2021-06-11 19:07:00,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18291, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19012, PETRI_PLACES=429, PETRI_TRANSITIONS=448} [2021-06-11 19:07:00,791 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 391 predicate places. [2021-06-11 19:07:00,791 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:00,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 448 transitions, 19012 flow [2021-06-11 19:07:00,791 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 448 transitions, 19012 flow [2021-06-11 19:07:00,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 448 transitions, 19012 flow [2021-06-11 19:07:01,266 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-06-11 19:07:01,266 INFO L130 PetriNetUnfolder]: For 117068/117244 co-relation queries the response was YES. [2021-06-11 19:07:01,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20774 conditions, 2566 events. 165/2566 cut-off events. For 117068/117244 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36886 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20635. Up to 330 conditions per place. [2021-06-11 19:07:01,319 INFO L151 LiptonReduction]: Number of co-enabled transitions 3066 [2021-06-11 19:07:01,350 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:01,350 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:01,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 559 [2021-06-11 19:07:01,351 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 448 transitions, 19012 flow [2021-06-11 19:07:01,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:01,351 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:01,351 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:01,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-06-11 19:07:01,351 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:01,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:01,351 INFO L82 PathProgramCache]: Analyzing trace with hash -659693220, now seen corresponding path program 86 times [2021-06-11 19:07:01,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:01,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639837864] [2021-06-11 19:07:01,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:01,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:01,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:01,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:01,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:01,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:01,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:01,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:01,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:01,375 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:01,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:01,388 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:01,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:01,404 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:01,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:01,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639837864] [2021-06-11 19:07:01,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:01,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:01,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120988315] [2021-06-11 19:07:01,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:01,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:01,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:01,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:01,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:01,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 448 transitions, 19012 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:01,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:01,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:01,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:02,254 INFO L129 PetriNetUnfolder]: 218/2659 cut-off events. [2021-06-11 19:07:02,254 INFO L130 PetriNetUnfolder]: For 121484/122068 co-relation queries the response was YES. [2021-06-11 19:07:02,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22552 conditions, 2659 events. 218/2659 cut-off events. For 121484/122068 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37285 event pairs, 53 based on Foata normal form. 17/2581 useless extension candidates. Maximal degree in co-relation 22412. Up to 430 conditions per place. [2021-06-11 19:07:02,290 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 171 changer transitions 0/455 dead transitions. [2021-06-11 19:07:02,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 455 transitions, 20112 flow [2021-06-11 19:07:02,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:02,291 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:02,291 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:02,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:02,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:02,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:02,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:02,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:02,292 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:02,292 INFO L185 Difference]: Start difference. First operand has 429 places, 448 transitions, 19012 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:02,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 455 transitions, 20112 flow [2021-06-11 19:07:03,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 455 transitions, 19785 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:03,036 INFO L241 Difference]: Finished difference. Result has 433 places, 448 transitions, 19030 flow [2021-06-11 19:07:03,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18685, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19030, PETRI_PLACES=433, PETRI_TRANSITIONS=448} [2021-06-11 19:07:03,037 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 395 predicate places. [2021-06-11 19:07:03,037 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:03,037 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 433 places, 448 transitions, 19030 flow [2021-06-11 19:07:03,037 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 433 places, 448 transitions, 19030 flow [2021-06-11 19:07:03,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 433 places, 448 transitions, 19030 flow [2021-06-11 19:07:03,475 INFO L129 PetriNetUnfolder]: 165/2565 cut-off events. [2021-06-11 19:07:03,475 INFO L130 PetriNetUnfolder]: For 118146/118310 co-relation queries the response was YES. [2021-06-11 19:07:03,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21076 conditions, 2565 events. 165/2565 cut-off events. For 118146/118310 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36885 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20937. Up to 330 conditions per place. [2021-06-11 19:07:03,527 INFO L151 LiptonReduction]: Number of co-enabled transitions 3066 [2021-06-11 19:07:03,558 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:03,559 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:03,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 522 [2021-06-11 19:07:03,559 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 448 transitions, 19030 flow [2021-06-11 19:07:03,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:03,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:03,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:03,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-06-11 19:07:03,559 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:03,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:03,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1100896414, now seen corresponding path program 87 times [2021-06-11 19:07:03,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:03,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987383964] [2021-06-11 19:07:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:03,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:03,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:03,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:03,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:03,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:03,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:03,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:03,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:03,591 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:07:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:07:03,613 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:07:03,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:07:03,632 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:03,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:03,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987383964] [2021-06-11 19:07:03,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:03,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:03,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729903303] [2021-06-11 19:07:03,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:03,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:03,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:03,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:03,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:03,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 448 transitions, 19030 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:03,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:03,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:03,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:04,431 INFO L129 PetriNetUnfolder]: 218/2658 cut-off events. [2021-06-11 19:07:04,431 INFO L130 PetriNetUnfolder]: For 123110/123682 co-relation queries the response was YES. [2021-06-11 19:07:04,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22852 conditions, 2658 events. 218/2658 cut-off events. For 123110/123682 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37247 event pairs, 53 based on Foata normal form. 16/2579 useless extension candidates. Maximal degree in co-relation 22712. Up to 430 conditions per place. [2021-06-11 19:07:04,464 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 274 selfloop transitions, 165 changer transitions 2/455 dead transitions. [2021-06-11 19:07:04,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 455 transitions, 20138 flow [2021-06-11 19:07:04,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:04,465 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:04,465 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:04,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:04,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:04,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:04,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:04,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:04,466 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:04,466 INFO L185 Difference]: Start difference. First operand has 433 places, 448 transitions, 19030 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:04,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 455 transitions, 20138 flow [2021-06-11 19:07:05,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 455 transitions, 19851 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-06-11 19:07:05,184 INFO L241 Difference]: Finished difference. Result has 438 places, 446 transitions, 18969 flow [2021-06-11 19:07:05,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18743, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18969, PETRI_PLACES=438, PETRI_TRANSITIONS=446} [2021-06-11 19:07:05,185 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 400 predicate places. [2021-06-11 19:07:05,185 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:05,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 446 transitions, 18969 flow [2021-06-11 19:07:05,185 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 446 transitions, 18969 flow [2021-06-11 19:07:05,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 446 transitions, 18969 flow [2021-06-11 19:07:05,637 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-06-11 19:07:05,638 INFO L130 PetriNetUnfolder]: For 120447/120612 co-relation queries the response was YES. [2021-06-11 19:07:05,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21340 conditions, 2555 events. 164/2555 cut-off events. For 120447/120612 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36724 event pairs, 0 based on Foata normal form. 0/2502 useless extension candidates. Maximal degree in co-relation 21200. Up to 328 conditions per place. [2021-06-11 19:07:05,691 INFO L151 LiptonReduction]: Number of co-enabled transitions 3048 [2021-06-11 19:07:05,723 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:05,723 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:05,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 539 [2021-06-11 19:07:05,724 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 446 transitions, 18969 flow [2021-06-11 19:07:05,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:05,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:05,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:05,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-06-11 19:07:05,724 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:05,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:05,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1102592360, now seen corresponding path program 88 times [2021-06-11 19:07:05,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:05,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862418942] [2021-06-11 19:07:05,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:05,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:05,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:05,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:05,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:05,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:05,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:05,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:05,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:05,763 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:05,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:05,779 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:05,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:05,797 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:05,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862418942] [2021-06-11 19:07:05,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:05,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:05,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753184049] [2021-06-11 19:07:05,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:05,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:05,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:05,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:05,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:05,816 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 446 transitions, 18969 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:05,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:05,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:05,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:06,657 INFO L129 PetriNetUnfolder]: 217/2648 cut-off events. [2021-06-11 19:07:06,658 INFO L130 PetriNetUnfolder]: For 125384/125966 co-relation queries the response was YES. [2021-06-11 19:07:06,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23112 conditions, 2648 events. 217/2648 cut-off events. For 125384/125966 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 37043 event pairs, 53 based on Foata normal form. 16/2569 useless extension candidates. Maximal degree in co-relation 22971. Up to 430 conditions per place. [2021-06-11 19:07:06,692 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 191 changer transitions 0/453 dead transitions. [2021-06-11 19:07:06,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 453 transitions, 20081 flow [2021-06-11 19:07:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:06,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:06,693 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:06,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:06,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:06,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:06,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:06,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:06,694 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:06,694 INFO L185 Difference]: Start difference. First operand has 437 places, 446 transitions, 18969 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:06,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 453 transitions, 20081 flow [2021-06-11 19:07:07,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 453 transitions, 19766 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:07,449 INFO L241 Difference]: Finished difference. Result has 440 places, 446 transitions, 19047 flow [2021-06-11 19:07:07,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18662, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19047, PETRI_PLACES=440, PETRI_TRANSITIONS=446} [2021-06-11 19:07:07,450 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 402 predicate places. [2021-06-11 19:07:07,450 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:07,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 446 transitions, 19047 flow [2021-06-11 19:07:07,450 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 446 transitions, 19047 flow [2021-06-11 19:07:07,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 446 transitions, 19047 flow [2021-06-11 19:07:07,920 INFO L129 PetriNetUnfolder]: 164/2554 cut-off events. [2021-06-11 19:07:07,921 INFO L130 PetriNetUnfolder]: For 120387/120565 co-relation queries the response was YES. [2021-06-11 19:07:07,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21350 conditions, 2554 events. 164/2554 cut-off events. For 120387/120565 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36661 event pairs, 0 based on Foata normal form. 0/2500 useless extension candidates. Maximal degree in co-relation 21210. Up to 328 conditions per place. [2021-06-11 19:07:07,973 INFO L151 LiptonReduction]: Number of co-enabled transitions 3048 [2021-06-11 19:07:08,003 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:08,003 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:08,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 553 [2021-06-11 19:07:08,003 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 446 transitions, 19047 flow [2021-06-11 19:07:08,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:08,004 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:08,004 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:08,004 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-06-11 19:07:08,004 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:08,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:08,004 INFO L82 PathProgramCache]: Analyzing trace with hash -828247792, now seen corresponding path program 89 times [2021-06-11 19:07:08,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:08,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509288738] [2021-06-11 19:07:08,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:08,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:08,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:08,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:08,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:08,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:08,026 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:08,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:08,035 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:07:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:07:08,056 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:08,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:08,072 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:08,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:08,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509288738] [2021-06-11 19:07:08,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:08,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:08,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125746270] [2021-06-11 19:07:08,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:08,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:08,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:08,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:08,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:08,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 446 transitions, 19047 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:08,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:08,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:08,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:08,932 INFO L129 PetriNetUnfolder]: 217/2647 cut-off events. [2021-06-11 19:07:08,932 INFO L130 PetriNetUnfolder]: For 125324/125920 co-relation queries the response was YES. [2021-06-11 19:07:08,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23121 conditions, 2647 events. 217/2647 cut-off events. For 125324/125920 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 37008 event pairs, 53 based on Foata normal form. 17/2569 useless extension candidates. Maximal degree in co-relation 22980. Up to 430 conditions per place. [2021-06-11 19:07:08,967 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 185 changer transitions 0/453 dead transitions. [2021-06-11 19:07:08,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 453 transitions, 20159 flow [2021-06-11 19:07:08,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:08,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:08,969 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:08,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:08,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:08,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:08,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:08,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:08,970 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:08,970 INFO L185 Difference]: Start difference. First operand has 440 places, 446 transitions, 19047 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:08,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 453 transitions, 20159 flow [2021-06-11 19:07:09,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 453 transitions, 19621 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:09,713 INFO L241 Difference]: Finished difference. Result has 443 places, 446 transitions, 18882 flow [2021-06-11 19:07:09,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18509, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18882, PETRI_PLACES=443, PETRI_TRANSITIONS=446} [2021-06-11 19:07:09,713 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 405 predicate places. [2021-06-11 19:07:09,714 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:09,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 443 places, 446 transitions, 18882 flow [2021-06-11 19:07:09,714 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 443 places, 446 transitions, 18882 flow [2021-06-11 19:07:09,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 443 places, 446 transitions, 18882 flow [2021-06-11 19:07:10,166 INFO L129 PetriNetUnfolder]: 164/2553 cut-off events. [2021-06-11 19:07:10,166 INFO L130 PetriNetUnfolder]: For 121211/121377 co-relation queries the response was YES. [2021-06-11 19:07:10,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21525 conditions, 2553 events. 164/2553 cut-off events. For 121211/121377 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36718 event pairs, 0 based on Foata normal form. 0/2499 useless extension candidates. Maximal degree in co-relation 21385. Up to 328 conditions per place. [2021-06-11 19:07:10,224 INFO L151 LiptonReduction]: Number of co-enabled transitions 3048 [2021-06-11 19:07:10,257 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:10,257 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:10,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 543 [2021-06-11 19:07:10,258 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 446 transitions, 18882 flow [2021-06-11 19:07:10,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:10,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:10,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:10,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-06-11 19:07:10,258 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:10,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:10,258 INFO L82 PathProgramCache]: Analyzing trace with hash 761602482, now seen corresponding path program 90 times [2021-06-11 19:07:10,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:10,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080349487] [2021-06-11 19:07:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:10,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:10,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:10,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:10,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:10,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:10,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:10,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:10,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:10,322 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:10,352 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:10,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:10,378 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:10,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:10,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080349487] [2021-06-11 19:07:10,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:10,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:10,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431148615] [2021-06-11 19:07:10,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:10,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:10,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:10,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:10,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:10,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 446 transitions, 18882 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:10,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:10,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:10,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:11,247 INFO L129 PetriNetUnfolder]: 217/2646 cut-off events. [2021-06-11 19:07:11,248 INFO L130 PetriNetUnfolder]: For 126688/127274 co-relation queries the response was YES. [2021-06-11 19:07:11,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23294 conditions, 2646 events. 217/2646 cut-off events. For 126688/127274 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36976 event pairs, 53 based on Foata normal form. 17/2568 useless extension candidates. Maximal degree in co-relation 23153. Up to 430 conditions per place. [2021-06-11 19:07:11,283 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 160 changer transitions 2/453 dead transitions. [2021-06-11 19:07:11,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 453 transitions, 20002 flow [2021-06-11 19:07:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:11,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:11,284 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:11,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:11,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:11,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:11,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:11,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:11,285 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:11,285 INFO L185 Difference]: Start difference. First operand has 443 places, 446 transitions, 18882 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:11,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 453 transitions, 20002 flow [2021-06-11 19:07:12,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 453 transitions, 19656 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:12,048 INFO L241 Difference]: Finished difference. Result has 448 places, 445 transitions, 18865 flow [2021-06-11 19:07:12,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18536, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18865, PETRI_PLACES=448, PETRI_TRANSITIONS=445} [2021-06-11 19:07:12,049 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 410 predicate places. [2021-06-11 19:07:12,049 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:12,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 445 transitions, 18865 flow [2021-06-11 19:07:12,049 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 445 transitions, 18865 flow [2021-06-11 19:07:12,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 445 transitions, 18865 flow [2021-06-11 19:07:12,489 INFO L129 PetriNetUnfolder]: 163/2543 cut-off events. [2021-06-11 19:07:12,489 INFO L130 PetriNetUnfolder]: For 125717/125884 co-relation queries the response was YES. [2021-06-11 19:07:12,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21766 conditions, 2543 events. 163/2543 cut-off events. For 125717/125884 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36570 event pairs, 0 based on Foata normal form. 0/2489 useless extension candidates. Maximal degree in co-relation 21624. Up to 326 conditions per place. [2021-06-11 19:07:12,542 INFO L151 LiptonReduction]: Number of co-enabled transitions 3058 [2021-06-11 19:07:12,573 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:12,573 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:12,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 524 [2021-06-11 19:07:12,574 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 445 transitions, 18865 flow [2021-06-11 19:07:12,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:12,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:12,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:12,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-06-11 19:07:12,574 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:12,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:12,574 INFO L82 PathProgramCache]: Analyzing trace with hash -2064237220, now seen corresponding path program 91 times [2021-06-11 19:07:12,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:12,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152691630] [2021-06-11 19:07:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:12,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:12,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:12,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:12,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:12,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:12,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:12,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:12,600 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:12,612 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:12,630 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:12,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:12,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152691630] [2021-06-11 19:07:12,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:12,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:12,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481734883] [2021-06-11 19:07:12,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:12,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:12,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:12,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:12,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:12,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 445 transitions, 18865 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:12,657 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:12,657 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:12,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:13,477 INFO L129 PetriNetUnfolder]: 216/2636 cut-off events. [2021-06-11 19:07:13,477 INFO L130 PetriNetUnfolder]: For 131168/131762 co-relation queries the response was YES. [2021-06-11 19:07:13,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23531 conditions, 2636 events. 216/2636 cut-off events. For 131168/131762 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36801 event pairs, 53 based on Foata normal form. 16/2557 useless extension candidates. Maximal degree in co-relation 23388. Up to 430 conditions per place. [2021-06-11 19:07:13,511 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 157 changer transitions 2/451 dead transitions. [2021-06-11 19:07:13,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 451 transitions, 19941 flow [2021-06-11 19:07:13,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:13,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:13,512 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:13,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:13,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:13,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:13,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:13,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:13,513 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:13,513 INFO L185 Difference]: Start difference. First operand has 447 places, 445 transitions, 18865 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:13,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 451 transitions, 19941 flow [2021-06-11 19:07:14,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 451 transitions, 19786 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-06-11 19:07:14,271 INFO L241 Difference]: Finished difference. Result has 452 places, 443 transitions, 18930 flow [2021-06-11 19:07:14,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18718, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18930, PETRI_PLACES=452, PETRI_TRANSITIONS=443} [2021-06-11 19:07:14,272 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 414 predicate places. [2021-06-11 19:07:14,272 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:14,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 443 transitions, 18930 flow [2021-06-11 19:07:14,272 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 443 transitions, 18930 flow [2021-06-11 19:07:14,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 443 transitions, 18930 flow [2021-06-11 19:07:14,703 INFO L129 PetriNetUnfolder]: 162/2533 cut-off events. [2021-06-11 19:07:14,703 INFO L130 PetriNetUnfolder]: For 125642/125818 co-relation queries the response was YES. [2021-06-11 19:07:14,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21886 conditions, 2533 events. 162/2533 cut-off events. For 125642/125818 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36361 event pairs, 0 based on Foata normal form. 0/2477 useless extension candidates. Maximal degree in co-relation 21744. Up to 324 conditions per place. [2021-06-11 19:07:14,755 INFO L151 LiptonReduction]: Number of co-enabled transitions 3046 [2021-06-11 19:07:14,786 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:14,786 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:14,786 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 514 [2021-06-11 19:07:14,787 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 443 transitions, 18930 flow [2021-06-11 19:07:14,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:14,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:14,787 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:14,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-06-11 19:07:14,787 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:14,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1829114546, now seen corresponding path program 92 times [2021-06-11 19:07:14,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:14,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835466086] [2021-06-11 19:07:14,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:14,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:14,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:14,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:14,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:14,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:14,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:14,802 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:14,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:14,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:14,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:14,832 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:14,849 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:14,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:14,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:14,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835466086] [2021-06-11 19:07:14,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:14,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:14,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857246823] [2021-06-11 19:07:14,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:14,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:14,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:14,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:14,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:14,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 443 transitions, 18930 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:14,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:14,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:14,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:15,685 INFO L129 PetriNetUnfolder]: 215/2626 cut-off events. [2021-06-11 19:07:15,685 INFO L130 PetriNetUnfolder]: For 131334/131918 co-relation queries the response was YES. [2021-06-11 19:07:15,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23648 conditions, 2626 events. 215/2626 cut-off events. For 131334/131918 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36654 event pairs, 53 based on Foata normal form. 16/2547 useless extension candidates. Maximal degree in co-relation 23505. Up to 430 conditions per place. [2021-06-11 19:07:15,718 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 181 changer transitions 0/449 dead transitions. [2021-06-11 19:07:15,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 449 transitions, 20002 flow [2021-06-11 19:07:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:15,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:15,719 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:15,719 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:15,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:15,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:15,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:15,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:15,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:15,720 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:15,720 INFO L185 Difference]: Start difference. First operand has 451 places, 443 transitions, 18930 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:15,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 449 transitions, 20002 flow [2021-06-11 19:07:16,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 449 transitions, 19745 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:16,414 INFO L241 Difference]: Finished difference. Result has 455 places, 443 transitions, 19046 flow [2021-06-11 19:07:16,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18681, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19046, PETRI_PLACES=455, PETRI_TRANSITIONS=443} [2021-06-11 19:07:16,415 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 417 predicate places. [2021-06-11 19:07:16,415 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:16,415 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 443 transitions, 19046 flow [2021-06-11 19:07:16,415 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 443 transitions, 19046 flow [2021-06-11 19:07:16,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 443 transitions, 19046 flow [2021-06-11 19:07:16,851 INFO L129 PetriNetUnfolder]: 162/2532 cut-off events. [2021-06-11 19:07:16,851 INFO L130 PetriNetUnfolder]: For 125615/125781 co-relation queries the response was YES. [2021-06-11 19:07:16,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21959 conditions, 2532 events. 162/2532 cut-off events. For 125615/125781 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36312 event pairs, 0 based on Foata normal form. 0/2477 useless extension candidates. Maximal degree in co-relation 21817. Up to 324 conditions per place. [2021-06-11 19:07:16,903 INFO L151 LiptonReduction]: Number of co-enabled transitions 3046 [2021-06-11 19:07:16,933 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:16,933 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:16,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 518 [2021-06-11 19:07:16,933 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 443 transitions, 19046 flow [2021-06-11 19:07:16,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:16,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:16,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:16,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-06-11 19:07:16,934 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:16,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:16,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1559176176, now seen corresponding path program 93 times [2021-06-11 19:07:16,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:16,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771298908] [2021-06-11 19:07:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:16,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:16,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:16,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:16,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:16,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:16,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:16,950 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:16,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:16,960 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:16,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:16,973 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:07:16,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:07:16,992 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:16,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:17,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771298908] [2021-06-11 19:07:17,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:17,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:17,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170964091] [2021-06-11 19:07:17,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:17,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:17,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:17,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:17,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:17,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 443 transitions, 19046 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:17,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:17,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:17,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:17,809 INFO L129 PetriNetUnfolder]: 215/2625 cut-off events. [2021-06-11 19:07:17,809 INFO L130 PetriNetUnfolder]: For 131262/131850 co-relation queries the response was YES. [2021-06-11 19:07:17,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23720 conditions, 2625 events. 215/2625 cut-off events. For 131262/131850 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36664 event pairs, 53 based on Foata normal form. 17/2548 useless extension candidates. Maximal degree in co-relation 23577. Up to 430 conditions per place. [2021-06-11 19:07:17,843 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 244 selfloop transitions, 180 changer transitions 11/449 dead transitions. [2021-06-11 19:07:17,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 449 transitions, 20118 flow [2021-06-11 19:07:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:17,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:17,844 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:17,844 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:17,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:17,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:17,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:17,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:17,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:17,845 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:17,845 INFO L185 Difference]: Start difference. First operand has 455 places, 443 transitions, 19046 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:17,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 449 transitions, 20118 flow [2021-06-11 19:07:18,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 449 transitions, 19853 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 19:07:18,637 INFO L241 Difference]: Finished difference. Result has 460 places, 432 transitions, 18455 flow [2021-06-11 19:07:18,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18781, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18455, PETRI_PLACES=460, PETRI_TRANSITIONS=432} [2021-06-11 19:07:18,638 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-06-11 19:07:18,638 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:18,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 432 transitions, 18455 flow [2021-06-11 19:07:18,638 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 432 transitions, 18455 flow [2021-06-11 19:07:18,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 432 transitions, 18455 flow [2021-06-11 19:07:19,084 INFO L129 PetriNetUnfolder]: 161/2489 cut-off events. [2021-06-11 19:07:19,084 INFO L130 PetriNetUnfolder]: For 125755/125922 co-relation queries the response was YES. [2021-06-11 19:07:19,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21758 conditions, 2489 events. 161/2489 cut-off events. For 125755/125922 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35531 event pairs, 0 based on Foata normal form. 0/2435 useless extension candidates. Maximal degree in co-relation 21615. Up to 322 conditions per place. [2021-06-11 19:07:19,184 INFO L151 LiptonReduction]: Number of co-enabled transitions 2938 [2021-06-11 19:07:19,213 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:19,213 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:19,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 575 [2021-06-11 19:07:19,214 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 432 transitions, 18455 flow [2021-06-11 19:07:19,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:19,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:19,214 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:19,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-06-11 19:07:19,214 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:19,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:19,214 INFO L82 PathProgramCache]: Analyzing trace with hash 725537740, now seen corresponding path program 94 times [2021-06-11 19:07:19,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:19,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413238537] [2021-06-11 19:07:19,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:19,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:19,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:19,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:19,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:19,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:19,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:19,248 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:07:19,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:07:19,271 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:07:19,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:07:19,289 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:19,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:19,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413238537] [2021-06-11 19:07:19,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:19,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:19,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789480817] [2021-06-11 19:07:19,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:19,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:19,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:19,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:19,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:19,307 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 432 transitions, 18455 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:19,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:19,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:19,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:20,085 INFO L129 PetriNetUnfolder]: 214/2582 cut-off events. [2021-06-11 19:07:20,086 INFO L130 PetriNetUnfolder]: For 131332/131928 co-relation queries the response was YES. [2021-06-11 19:07:20,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23501 conditions, 2582 events. 214/2582 cut-off events. For 131332/131928 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 35827 event pairs, 53 based on Foata normal form. 17/2506 useless extension candidates. Maximal degree in co-relation 23357. Up to 430 conditions per place. [2021-06-11 19:07:20,120 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 269 selfloop transitions, 153 changer transitions 2/438 dead transitions. [2021-06-11 19:07:20,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 438 transitions, 19513 flow [2021-06-11 19:07:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:20,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:20,121 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:20,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:20,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:20,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:20,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:20,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:20,122 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:20,122 INFO L185 Difference]: Start difference. First operand has 454 places, 432 transitions, 18455 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:20,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 438 transitions, 19513 flow [2021-06-11 19:07:20,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 438 transitions, 19021 flow, removed 33 selfloop flow, removed 13 redundant places. [2021-06-11 19:07:20,884 INFO L241 Difference]: Finished difference. Result has 449 places, 430 transitions, 18203 flow [2021-06-11 19:07:20,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18011, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18203, PETRI_PLACES=449, PETRI_TRANSITIONS=430} [2021-06-11 19:07:20,884 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 411 predicate places. [2021-06-11 19:07:20,884 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:20,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 430 transitions, 18203 flow [2021-06-11 19:07:20,885 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 430 transitions, 18203 flow [2021-06-11 19:07:20,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 430 transitions, 18203 flow [2021-06-11 19:07:21,300 INFO L129 PetriNetUnfolder]: 160/2479 cut-off events. [2021-06-11 19:07:21,300 INFO L130 PetriNetUnfolder]: For 110760/110926 co-relation queries the response was YES. [2021-06-11 19:07:21,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20344 conditions, 2479 events. 160/2479 cut-off events. For 110760/110926 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 35369 event pairs, 0 based on Foata normal form. 0/2427 useless extension candidates. Maximal degree in co-relation 20207. Up to 320 conditions per place. [2021-06-11 19:07:21,351 INFO L151 LiptonReduction]: Number of co-enabled transitions 2920 [2021-06-11 19:07:21,380 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:21,380 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:21,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 496 [2021-06-11 19:07:21,381 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 430 transitions, 18203 flow [2021-06-11 19:07:21,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:21,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:21,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:21,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-06-11 19:07:21,381 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:21,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:21,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1316103308, now seen corresponding path program 95 times [2021-06-11 19:07:21,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:21,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280180320] [2021-06-11 19:07:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:21,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:21,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:21,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:21,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:21,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:21,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:21,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:21,418 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:07:21,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:07:21,446 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:07:21,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:07:21,466 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:21,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:21,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280180320] [2021-06-11 19:07:21,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:21,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:21,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144900090] [2021-06-11 19:07:21,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:21,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:21,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:21,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:21,485 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:21,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 430 transitions, 18203 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:21,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:21,485 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:21,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:22,262 INFO L129 PetriNetUnfolder]: 213/2572 cut-off events. [2021-06-11 19:07:22,262 INFO L130 PetriNetUnfolder]: For 115421/116007 co-relation queries the response was YES. [2021-06-11 19:07:22,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22089 conditions, 2572 events. 213/2572 cut-off events. For 115421/116007 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35616 event pairs, 53 based on Foata normal form. 17/2496 useless extension candidates. Maximal degree in co-relation 21951. Up to 430 conditions per place. [2021-06-11 19:07:22,300 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 161 changer transitions 0/436 dead transitions. [2021-06-11 19:07:22,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 436 transitions, 19217 flow [2021-06-11 19:07:22,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:22,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:22,301 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:22,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:22,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:22,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:22,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:22,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:22,302 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:22,302 INFO L185 Difference]: Start difference. First operand has 448 places, 430 transitions, 18203 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:22,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 436 transitions, 19217 flow [2021-06-11 19:07:22,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 436 transitions, 19062 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-06-11 19:07:22,988 INFO L241 Difference]: Finished difference. Result has 453 places, 430 transitions, 18381 flow [2021-06-11 19:07:22,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18056, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18381, PETRI_PLACES=453, PETRI_TRANSITIONS=430} [2021-06-11 19:07:22,988 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 415 predicate places. [2021-06-11 19:07:22,988 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:22,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 430 transitions, 18381 flow [2021-06-11 19:07:22,989 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 430 transitions, 18381 flow [2021-06-11 19:07:22,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 453 places, 430 transitions, 18381 flow [2021-06-11 19:07:23,415 INFO L129 PetriNetUnfolder]: 160/2478 cut-off events. [2021-06-11 19:07:23,415 INFO L130 PetriNetUnfolder]: For 111721/111888 co-relation queries the response was YES. [2021-06-11 19:07:23,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20542 conditions, 2478 events. 160/2478 cut-off events. For 111721/111888 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 35305 event pairs, 0 based on Foata normal form. 0/2426 useless extension candidates. Maximal degree in co-relation 20405. Up to 320 conditions per place. [2021-06-11 19:07:23,467 INFO L151 LiptonReduction]: Number of co-enabled transitions 2920 [2021-06-11 19:07:23,496 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:23,496 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:23,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-06-11 19:07:23,496 INFO L480 AbstractCegarLoop]: Abstraction has has 453 places, 430 transitions, 18381 flow [2021-06-11 19:07:23,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:23,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:23,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:23,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-06-11 19:07:23,497 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:23,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:23,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1402081080, now seen corresponding path program 96 times [2021-06-11 19:07:23,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:23,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080912860] [2021-06-11 19:07:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:23,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:23,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:23,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:23,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:23,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:23,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:23,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:23,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:23,529 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:23,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:23,543 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:07:23,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:07:23,562 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:23,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:23,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080912860] [2021-06-11 19:07:23,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:23,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:23,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841223065] [2021-06-11 19:07:23,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:23,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:23,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:23,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:23,580 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:23,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 430 transitions, 18381 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:23,580 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:23,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:23,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:24,345 INFO L129 PetriNetUnfolder]: 213/2571 cut-off events. [2021-06-11 19:07:24,345 INFO L130 PetriNetUnfolder]: For 116099/116693 co-relation queries the response was YES. [2021-06-11 19:07:24,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22286 conditions, 2571 events. 213/2571 cut-off events. For 116099/116693 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35620 event pairs, 53 based on Foata normal form. 16/2494 useless extension candidates. Maximal degree in co-relation 22148. Up to 430 conditions per place. [2021-06-11 19:07:24,378 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 158 changer transitions 3/436 dead transitions. [2021-06-11 19:07:24,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 436 transitions, 19395 flow [2021-06-11 19:07:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:24,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:24,381 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:24,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:24,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:24,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:24,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:24,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:24,382 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:24,382 INFO L185 Difference]: Start difference. First operand has 453 places, 430 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:24,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 436 transitions, 19395 flow [2021-06-11 19:07:25,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 436 transitions, 19079 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:25,088 INFO L241 Difference]: Finished difference. Result has 456 places, 427 transitions, 18198 flow [2021-06-11 19:07:25,088 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18065, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18198, PETRI_PLACES=456, PETRI_TRANSITIONS=427} [2021-06-11 19:07:25,088 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 418 predicate places. [2021-06-11 19:07:25,088 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:25,088 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 427 transitions, 18198 flow [2021-06-11 19:07:25,088 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 427 transitions, 18198 flow [2021-06-11 19:07:25,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 427 transitions, 18198 flow [2021-06-11 19:07:25,521 INFO L129 PetriNetUnfolder]: 159/2462 cut-off events. [2021-06-11 19:07:25,521 INFO L130 PetriNetUnfolder]: For 111812/111991 co-relation queries the response was YES. [2021-06-11 19:07:25,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20673 conditions, 2462 events. 159/2462 cut-off events. For 111812/111991 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 35054 event pairs, 0 based on Foata normal form. 0/2406 useless extension candidates. Maximal degree in co-relation 20537. Up to 318 conditions per place. [2021-06-11 19:07:25,572 INFO L151 LiptonReduction]: Number of co-enabled transitions 2890 [2021-06-11 19:07:25,601 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:25,602 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:25,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 514 [2021-06-11 19:07:25,602 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 427 transitions, 18198 flow [2021-06-11 19:07:25,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:25,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:25,602 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:25,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-06-11 19:07:25,602 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:25,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:25,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1800513136, now seen corresponding path program 97 times [2021-06-11 19:07:25,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:25,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495436474] [2021-06-11 19:07:25,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:25,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:25,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:25,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:25,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:25,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:25,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:25,621 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:25,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:25,638 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:25,653 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:25,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:25,673 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:25,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:25,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495436474] [2021-06-11 19:07:25,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:25,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:25,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092846551] [2021-06-11 19:07:25,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:25,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:25,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:25,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:25,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:25,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 427 transitions, 18198 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:25,695 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:25,695 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:25,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:26,471 INFO L129 PetriNetUnfolder]: 212/2555 cut-off events. [2021-06-11 19:07:26,471 INFO L130 PetriNetUnfolder]: For 116404/117002 co-relation queries the response was YES. [2021-06-11 19:07:26,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22410 conditions, 2555 events. 212/2555 cut-off events. For 116404/117002 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 35373 event pairs, 53 based on Foata normal form. 17/2481 useless extension candidates. Maximal degree in co-relation 22273. Up to 430 conditions per place. [2021-06-11 19:07:26,505 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 147 changer transitions 2/433 dead transitions. [2021-06-11 19:07:26,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 433 transitions, 19214 flow [2021-06-11 19:07:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:26,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:26,506 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:26,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:26,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:26,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:26,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:26,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:26,507 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:26,507 INFO L185 Difference]: Start difference. First operand has 454 places, 427 transitions, 18198 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:26,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 433 transitions, 19214 flow [2021-06-11 19:07:27,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 433 transitions, 18899 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-06-11 19:07:27,250 INFO L241 Difference]: Finished difference. Result has 457 places, 426 transitions, 18173 flow [2021-06-11 19:07:27,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17899, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18173, PETRI_PLACES=457, PETRI_TRANSITIONS=426} [2021-06-11 19:07:27,250 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 419 predicate places. [2021-06-11 19:07:27,250 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:27,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 426 transitions, 18173 flow [2021-06-11 19:07:27,250 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 426 transitions, 18173 flow [2021-06-11 19:07:27,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 426 transitions, 18173 flow [2021-06-11 19:07:27,669 INFO L129 PetriNetUnfolder]: 158/2452 cut-off events. [2021-06-11 19:07:27,669 INFO L130 PetriNetUnfolder]: For 109799/109965 co-relation queries the response was YES. [2021-06-11 19:07:27,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20372 conditions, 2452 events. 158/2452 cut-off events. For 109799/109965 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34847 event pairs, 0 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 20236. Up to 316 conditions per place. [2021-06-11 19:07:27,720 INFO L151 LiptonReduction]: Number of co-enabled transitions 2888 [2021-06-11 19:07:27,749 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:27,749 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:27,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 499 [2021-06-11 19:07:27,749 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 426 transitions, 18173 flow [2021-06-11 19:07:27,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:27,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:27,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:27,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-06-11 19:07:27,750 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:27,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:27,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1520729992, now seen corresponding path program 98 times [2021-06-11 19:07:27,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:27,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341494616] [2021-06-11 19:07:27,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:27,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:27,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:27,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:27,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:27,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:27,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:27,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:27,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:27,788 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:27,801 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:27,819 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:27,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:27,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341494616] [2021-06-11 19:07:27,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:27,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:27,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123445371] [2021-06-11 19:07:27,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:27,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:27,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:27,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:27,837 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:27,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 426 transitions, 18173 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:27,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:27,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:27,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:28,623 INFO L129 PetriNetUnfolder]: 211/2545 cut-off events. [2021-06-11 19:07:28,624 INFO L130 PetriNetUnfolder]: For 114436/115022 co-relation queries the response was YES. [2021-06-11 19:07:28,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22107 conditions, 2545 events. 211/2545 cut-off events. For 114436/115022 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 35228 event pairs, 53 based on Foata normal form. 17/2470 useless extension candidates. Maximal degree in co-relation 21970. Up to 430 conditions per place. [2021-06-11 19:07:28,658 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 145 changer transitions 2/431 dead transitions. [2021-06-11 19:07:28,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 431 transitions, 19129 flow [2021-06-11 19:07:28,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:28,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:28,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:28,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:28,659 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:28,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:28,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:28,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:28,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:28,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:28,660 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:28,660 INFO L185 Difference]: Start difference. First operand has 456 places, 426 transitions, 18173 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:28,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 431 transitions, 19129 flow [2021-06-11 19:07:29,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 431 transitions, 18879 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:29,339 INFO L241 Difference]: Finished difference. Result has 460 places, 424 transitions, 18105 flow [2021-06-11 19:07:29,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17931, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18105, PETRI_PLACES=460, PETRI_TRANSITIONS=424} [2021-06-11 19:07:29,339 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-06-11 19:07:29,339 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:29,340 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 424 transitions, 18105 flow [2021-06-11 19:07:29,340 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 424 transitions, 18105 flow [2021-06-11 19:07:29,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 424 transitions, 18105 flow [2021-06-11 19:07:29,757 INFO L129 PetriNetUnfolder]: 157/2442 cut-off events. [2021-06-11 19:07:29,758 INFO L130 PetriNetUnfolder]: For 109714/109928 co-relation queries the response was YES. [2021-06-11 19:07:29,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20363 conditions, 2442 events. 157/2442 cut-off events. For 109714/109928 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 34722 event pairs, 0 based on Foata normal form. 0/2387 useless extension candidates. Maximal degree in co-relation 20227. Up to 314 conditions per place. [2021-06-11 19:07:29,807 INFO L151 LiptonReduction]: Number of co-enabled transitions 2878 [2021-06-11 19:07:29,836 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:29,837 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:29,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-06-11 19:07:29,837 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 424 transitions, 18105 flow [2021-06-11 19:07:29,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:29,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:29,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:29,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-06-11 19:07:29,837 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:29,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:29,837 INFO L82 PathProgramCache]: Analyzing trace with hash 844136788, now seen corresponding path program 99 times [2021-06-11 19:07:29,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:29,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234721452] [2021-06-11 19:07:29,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:29,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:29,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:29,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:29,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:29,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:29,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:29,855 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:29,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:29,872 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:07:29,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:07:29,896 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:29,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:29,914 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:29,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:29,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234721452] [2021-06-11 19:07:29,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:29,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:29,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812204771] [2021-06-11 19:07:29,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:29,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:29,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:29,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:29,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:29,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 424 transitions, 18105 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:29,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:29,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:29,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:30,736 INFO L129 PetriNetUnfolder]: 210/2535 cut-off events. [2021-06-11 19:07:30,736 INFO L130 PetriNetUnfolder]: For 113902/114498 co-relation queries the response was YES. [2021-06-11 19:07:30,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22095 conditions, 2535 events. 210/2535 cut-off events. For 113902/114498 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 35007 event pairs, 53 based on Foata normal form. 17/2460 useless extension candidates. Maximal degree in co-relation 21958. Up to 430 conditions per place. [2021-06-11 19:07:30,765 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 152 changer transitions 4/429 dead transitions. [2021-06-11 19:07:30,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 429 transitions, 19057 flow [2021-06-11 19:07:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:30,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:30,765 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:30,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:30,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:30,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:30,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:30,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:30,766 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:30,766 INFO L185 Difference]: Start difference. First operand has 459 places, 424 transitions, 18105 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:30,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 429 transitions, 19057 flow [2021-06-11 19:07:31,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 429 transitions, 18667 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-06-11 19:07:31,344 INFO L241 Difference]: Finished difference. Result has 461 places, 420 transitions, 17776 flow [2021-06-11 19:07:31,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17723, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17776, PETRI_PLACES=461, PETRI_TRANSITIONS=420} [2021-06-11 19:07:31,344 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 423 predicate places. [2021-06-11 19:07:31,344 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:31,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 420 transitions, 17776 flow [2021-06-11 19:07:31,345 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 420 transitions, 17776 flow [2021-06-11 19:07:31,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 420 transitions, 17776 flow [2021-06-11 19:07:31,732 INFO L129 PetriNetUnfolder]: 156/2425 cut-off events. [2021-06-11 19:07:31,732 INFO L130 PetriNetUnfolder]: For 107394/107560 co-relation queries the response was YES. [2021-06-11 19:07:31,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20071 conditions, 2425 events. 156/2425 cut-off events. For 107394/107560 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 34437 event pairs, 0 based on Foata normal form. 0/2374 useless extension candidates. Maximal degree in co-relation 19935. Up to 312 conditions per place. [2021-06-11 19:07:31,783 INFO L151 LiptonReduction]: Number of co-enabled transitions 2842 [2021-06-11 19:07:31,811 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:31,811 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:31,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-06-11 19:07:31,811 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 420 transitions, 17776 flow [2021-06-11 19:07:31,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:31,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:31,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:31,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-06-11 19:07:31,812 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:31,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:31,812 INFO L82 PathProgramCache]: Analyzing trace with hash 694686612, now seen corresponding path program 100 times [2021-06-11 19:07:31,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:31,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155071358] [2021-06-11 19:07:31,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:31,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:31,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:31,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:31,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:31,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:31,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:31,839 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:31,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:31,849 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:31,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:31,862 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:31,879 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:31,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:31,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155071358] [2021-06-11 19:07:31,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:31,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:31,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415497917] [2021-06-11 19:07:31,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:31,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:31,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:31,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:31,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:31,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 420 transitions, 17776 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:31,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:31,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:31,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:32,637 INFO L129 PetriNetUnfolder]: 209/2518 cut-off events. [2021-06-11 19:07:32,637 INFO L130 PetriNetUnfolder]: For 112012/112596 co-relation queries the response was YES. [2021-06-11 19:07:32,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21797 conditions, 2518 events. 209/2518 cut-off events. For 112012/112596 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 34719 event pairs, 53 based on Foata normal form. 16/2442 useless extension candidates. Maximal degree in co-relation 21660. Up to 430 conditions per place. [2021-06-11 19:07:32,668 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 142 changer transitions 2/438 dead transitions. [2021-06-11 19:07:32,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 438 transitions, 19415 flow [2021-06-11 19:07:32,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:32,669 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:32,669 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:32,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:32,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:32,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:32,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:32,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:32,670 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:32,670 INFO L185 Difference]: Start difference. First operand has 459 places, 420 transitions, 17776 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:32,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 438 transitions, 19415 flow [2021-06-11 19:07:33,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 438 transitions, 19086 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-06-11 19:07:33,312 INFO L241 Difference]: Finished difference. Result has 463 places, 427 transitions, 18253 flow [2021-06-11 19:07:33,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17477, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18253, PETRI_PLACES=463, PETRI_TRANSITIONS=427} [2021-06-11 19:07:33,313 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 425 predicate places. [2021-06-11 19:07:33,313 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:33,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 427 transitions, 18253 flow [2021-06-11 19:07:33,313 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 427 transitions, 18253 flow [2021-06-11 19:07:33,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 427 transitions, 18253 flow [2021-06-11 19:07:33,724 INFO L129 PetriNetUnfolder]: 155/2415 cut-off events. [2021-06-11 19:07:33,724 INFO L130 PetriNetUnfolder]: For 108562/108752 co-relation queries the response was YES. [2021-06-11 19:07:33,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19834 conditions, 2415 events. 155/2415 cut-off events. For 108562/108752 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34243 event pairs, 0 based on Foata normal form. 1/2365 useless extension candidates. Maximal degree in co-relation 19696. Up to 310 conditions per place. [2021-06-11 19:07:33,775 INFO L151 LiptonReduction]: Number of co-enabled transitions 2908 [2021-06-11 19:07:33,804 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:33,804 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:33,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 491 [2021-06-11 19:07:33,804 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 427 transitions, 18253 flow [2021-06-11 19:07:33,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:33,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:33,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:33,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-06-11 19:07:33,805 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:33,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:33,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1657388968, now seen corresponding path program 101 times [2021-06-11 19:07:33,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:33,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099632450] [2021-06-11 19:07:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:33,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:33,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:33,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:33,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:33,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:33,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:33,848 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:33,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:33,857 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:33,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:33,870 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:33,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:33,888 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:33,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:33,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099632450] [2021-06-11 19:07:33,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:33,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:33,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982284140] [2021-06-11 19:07:33,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:33,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:33,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:33,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:33,906 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:33,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 427 transitions, 18253 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:33,907 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:33,907 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:33,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:34,680 INFO L129 PetriNetUnfolder]: 208/2508 cut-off events. [2021-06-11 19:07:34,680 INFO L130 PetriNetUnfolder]: For 112698/113284 co-relation queries the response was YES. [2021-06-11 19:07:34,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21558 conditions, 2508 events. 208/2508 cut-off events. For 112698/113284 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 34591 event pairs, 53 based on Foata normal form. 16/2427 useless extension candidates. Maximal degree in co-relation 21419. Up to 430 conditions per place. [2021-06-11 19:07:34,712 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 145 changer transitions 0/436 dead transitions. [2021-06-11 19:07:34,712 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 436 transitions, 19417 flow [2021-06-11 19:07:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:34,713 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:34,713 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:34,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:34,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:34,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:34,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:34,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:34,714 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:34,714 INFO L185 Difference]: Start difference. First operand has 462 places, 427 transitions, 18253 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:34,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 436 transitions, 19417 flow [2021-06-11 19:07:35,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 436 transitions, 19255 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:35,371 INFO L241 Difference]: Finished difference. Result has 467 places, 428 transitions, 18463 flow [2021-06-11 19:07:35,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18099, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18463, PETRI_PLACES=467, PETRI_TRANSITIONS=428} [2021-06-11 19:07:35,371 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 429 predicate places. [2021-06-11 19:07:35,371 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:35,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 428 transitions, 18463 flow [2021-06-11 19:07:35,371 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 428 transitions, 18463 flow [2021-06-11 19:07:35,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 428 transitions, 18463 flow [2021-06-11 19:07:35,799 INFO L129 PetriNetUnfolder]: 155/2414 cut-off events. [2021-06-11 19:07:35,799 INFO L130 PetriNetUnfolder]: For 109045/109213 co-relation queries the response was YES. [2021-06-11 19:07:35,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20010 conditions, 2414 events. 155/2414 cut-off events. For 109045/109213 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34239 event pairs, 0 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 19872. Up to 310 conditions per place. [2021-06-11 19:07:35,850 INFO L151 LiptonReduction]: Number of co-enabled transitions 2916 [2021-06-11 19:07:35,879 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:35,879 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:35,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 509 [2021-06-11 19:07:35,880 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 428 transitions, 18463 flow [2021-06-11 19:07:35,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:35,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:35,880 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:35,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-06-11 19:07:35,880 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:35,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:35,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1912850298, now seen corresponding path program 102 times [2021-06-11 19:07:35,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:35,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258494021] [2021-06-11 19:07:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:35,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:35,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:35,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:35,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:35,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:35,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:35,905 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:35,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:35,919 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:35,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:35,937 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:35,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:35,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258494021] [2021-06-11 19:07:35,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:35,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:35,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329637862] [2021-06-11 19:07:35,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:35,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:35,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:35,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:35,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:35,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 428 transitions, 18463 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:35,955 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:35,955 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:35,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:36,736 INFO L129 PetriNetUnfolder]: 208/2507 cut-off events. [2021-06-11 19:07:36,736 INFO L130 PetriNetUnfolder]: For 113224/113822 co-relation queries the response was YES. [2021-06-11 19:07:36,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21733 conditions, 2507 events. 208/2507 cut-off events. For 113224/113822 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 34598 event pairs, 53 based on Foata normal form. 17/2427 useless extension candidates. Maximal degree in co-relation 21594. Up to 430 conditions per place. [2021-06-11 19:07:36,769 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 141 changer transitions 1/436 dead transitions. [2021-06-11 19:07:36,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 436 transitions, 19562 flow [2021-06-11 19:07:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:36,770 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:36,770 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:36,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:36,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:36,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:36,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:36,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:36,771 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:36,771 INFO L185 Difference]: Start difference. First operand has 467 places, 428 transitions, 18463 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:36,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 436 transitions, 19562 flow [2021-06-11 19:07:37,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 436 transitions, 19184 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:37,500 INFO L241 Difference]: Finished difference. Result has 471 places, 428 transitions, 18381 flow [2021-06-11 19:07:37,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18089, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18381, PETRI_PLACES=471, PETRI_TRANSITIONS=428} [2021-06-11 19:07:37,500 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 433 predicate places. [2021-06-11 19:07:37,500 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:37,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 428 transitions, 18381 flow [2021-06-11 19:07:37,501 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 428 transitions, 18381 flow [2021-06-11 19:07:37,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 428 transitions, 18381 flow [2021-06-11 19:07:37,924 INFO L129 PetriNetUnfolder]: 154/2405 cut-off events. [2021-06-11 19:07:37,924 INFO L130 PetriNetUnfolder]: For 110288/110485 co-relation queries the response was YES. [2021-06-11 19:07:37,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20066 conditions, 2405 events. 154/2405 cut-off events. For 110288/110485 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 34069 event pairs, 0 based on Foata normal form. 0/2348 useless extension candidates. Maximal degree in co-relation 19926. Up to 308 conditions per place. [2021-06-11 19:07:37,975 INFO L151 LiptonReduction]: Number of co-enabled transitions 2922 [2021-06-11 19:07:38,005 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:38,005 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:38,005 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-06-11 19:07:38,006 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 428 transitions, 18381 flow [2021-06-11 19:07:38,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:38,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:38,006 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:38,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-06-11 19:07:38,006 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:38,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:38,006 INFO L82 PathProgramCache]: Analyzing trace with hash -905440104, now seen corresponding path program 103 times [2021-06-11 19:07:38,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:38,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851011350] [2021-06-11 19:07:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:38,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:38,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:38,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:38,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:38,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:38,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:38,024 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:38,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:38,034 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:38,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:38,048 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:38,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:38,065 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:38,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:38,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851011350] [2021-06-11 19:07:38,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:38,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:38,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082591909] [2021-06-11 19:07:38,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:38,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:38,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:38,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:38,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:38,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 428 transitions, 18381 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:38,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:38,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:38,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:38,833 INFO L129 PetriNetUnfolder]: 207/2498 cut-off events. [2021-06-11 19:07:38,834 INFO L130 PetriNetUnfolder]: For 115098/115691 co-relation queries the response was YES. [2021-06-11 19:07:38,860 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21786 conditions, 2498 events. 207/2498 cut-off events. For 115098/115691 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34444 event pairs, 53 based on Foata normal form. 17/2418 useless extension candidates. Maximal degree in co-relation 21645. Up to 430 conditions per place. [2021-06-11 19:07:38,865 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 140 changer transitions 4/435 dead transitions. [2021-06-11 19:07:38,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 435 transitions, 19432 flow [2021-06-11 19:07:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:38,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:38,866 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:38,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:38,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:38,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:38,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:38,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:38,867 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:38,867 INFO L185 Difference]: Start difference. First operand has 470 places, 428 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:38,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 435 transitions, 19432 flow [2021-06-11 19:07:39,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 435 transitions, 19285 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-06-11 19:07:39,573 INFO L241 Difference]: Finished difference. Result has 476 places, 426 transitions, 18405 flow [2021-06-11 19:07:39,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18242, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18405, PETRI_PLACES=476, PETRI_TRANSITIONS=426} [2021-06-11 19:07:39,573 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 438 predicate places. [2021-06-11 19:07:39,573 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:39,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 426 transitions, 18405 flow [2021-06-11 19:07:39,573 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 426 transitions, 18405 flow [2021-06-11 19:07:39,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 426 transitions, 18405 flow [2021-06-11 19:07:39,982 INFO L129 PetriNetUnfolder]: 153/2388 cut-off events. [2021-06-11 19:07:39,982 INFO L130 PetriNetUnfolder]: For 110236/110403 co-relation queries the response was YES. [2021-06-11 19:07:40,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20082 conditions, 2388 events. 153/2388 cut-off events. For 110236/110403 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 33814 event pairs, 0 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 19941. Up to 306 conditions per place. [2021-06-11 19:07:40,032 INFO L151 LiptonReduction]: Number of co-enabled transitions 2910 [2021-06-11 19:07:40,061 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:40,062 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:40,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 489 [2021-06-11 19:07:40,062 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 426 transitions, 18405 flow [2021-06-11 19:07:40,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:40,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:40,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:40,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-06-11 19:07:40,062 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:40,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1374994720, now seen corresponding path program 104 times [2021-06-11 19:07:40,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:40,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124412342] [2021-06-11 19:07:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:40,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:40,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:40,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:40,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:40,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:40,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:40,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:40,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:40,087 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:40,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:40,100 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:40,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:40,119 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:40,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:40,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124412342] [2021-06-11 19:07:40,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:40,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:40,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374320384] [2021-06-11 19:07:40,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:40,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:40,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:40,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:40,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:40,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 426 transitions, 18405 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:40,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:40,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:40,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:40,896 INFO L129 PetriNetUnfolder]: 206/2481 cut-off events. [2021-06-11 19:07:40,897 INFO L130 PetriNetUnfolder]: For 114866/115469 co-relation queries the response was YES. [2021-06-11 19:07:40,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21796 conditions, 2481 events. 206/2481 cut-off events. For 114866/115469 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 34159 event pairs, 53 based on Foata normal form. 17/2401 useless extension candidates. Maximal degree in co-relation 21654. Up to 430 conditions per place. [2021-06-11 19:07:40,931 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 137 changer transitions 2/431 dead transitions. [2021-06-11 19:07:40,931 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 431 transitions, 19358 flow [2021-06-11 19:07:40,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:40,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:40,932 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:40,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:40,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:40,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:40,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:40,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:40,932 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:40,932 INFO L185 Difference]: Start difference. First operand has 474 places, 426 transitions, 18405 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:40,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 431 transitions, 19358 flow [2021-06-11 19:07:41,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 431 transitions, 19006 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-06-11 19:07:41,632 INFO L241 Difference]: Finished difference. Result has 475 places, 425 transitions, 18311 flow [2021-06-11 19:07:41,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18069, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18311, PETRI_PLACES=475, PETRI_TRANSITIONS=425} [2021-06-11 19:07:41,633 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 437 predicate places. [2021-06-11 19:07:41,633 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:41,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 425 transitions, 18311 flow [2021-06-11 19:07:41,633 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 425 transitions, 18311 flow [2021-06-11 19:07:41,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 425 transitions, 18311 flow [2021-06-11 19:07:42,029 INFO L129 PetriNetUnfolder]: 152/2378 cut-off events. [2021-06-11 19:07:42,030 INFO L130 PetriNetUnfolder]: For 108600/108777 co-relation queries the response was YES. [2021-06-11 19:07:42,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19736 conditions, 2378 events. 152/2378 cut-off events. For 108600/108777 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 33669 event pairs, 0 based on Foata normal form. 0/2324 useless extension candidates. Maximal degree in co-relation 19596. Up to 304 conditions per place. [2021-06-11 19:07:42,123 INFO L151 LiptonReduction]: Number of co-enabled transitions 2914 [2021-06-11 19:07:42,151 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:42,151 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:42,151 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 518 [2021-06-11 19:07:42,151 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 425 transitions, 18311 flow [2021-06-11 19:07:42,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:42,151 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:42,151 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:42,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-06-11 19:07:42,151 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:42,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:42,152 INFO L82 PathProgramCache]: Analyzing trace with hash 167645276, now seen corresponding path program 105 times [2021-06-11 19:07:42,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:42,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072441624] [2021-06-11 19:07:42,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:42,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:42,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:42,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:42,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:42,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:42,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:42,167 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:42,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:42,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:42,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:42,191 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:42,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:42,209 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:42,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:42,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072441624] [2021-06-11 19:07:42,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:42,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:42,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239579458] [2021-06-11 19:07:42,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:42,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:42,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:42,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:42,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:42,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 425 transitions, 18311 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:42,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:42,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:42,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:42,979 INFO L129 PetriNetUnfolder]: 205/2471 cut-off events. [2021-06-11 19:07:42,979 INFO L130 PetriNetUnfolder]: For 113225/113816 co-relation queries the response was YES. [2021-06-11 19:07:43,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21448 conditions, 2471 events. 205/2471 cut-off events. For 113225/113816 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 33960 event pairs, 53 based on Foata normal form. 16/2390 useless extension candidates. Maximal degree in co-relation 21307. Up to 430 conditions per place. [2021-06-11 19:07:43,011 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 136 changer transitions 2/429 dead transitions. [2021-06-11 19:07:43,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 429 transitions, 19213 flow [2021-06-11 19:07:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:43,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:43,012 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:43,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:43,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:43,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:43,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:43,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:43,012 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:43,012 INFO L185 Difference]: Start difference. First operand has 474 places, 425 transitions, 18311 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:43,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 429 transitions, 19213 flow [2021-06-11 19:07:43,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 429 transitions, 18974 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:43,704 INFO L241 Difference]: Finished difference. Result has 478 places, 423 transitions, 18240 flow [2021-06-11 19:07:43,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18080, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18240, PETRI_PLACES=478, PETRI_TRANSITIONS=423} [2021-06-11 19:07:43,704 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 440 predicate places. [2021-06-11 19:07:43,704 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:43,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 423 transitions, 18240 flow [2021-06-11 19:07:43,704 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 423 transitions, 18240 flow [2021-06-11 19:07:43,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 423 transitions, 18240 flow [2021-06-11 19:07:44,111 INFO L129 PetriNetUnfolder]: 151/2368 cut-off events. [2021-06-11 19:07:44,111 INFO L130 PetriNetUnfolder]: For 108462/108629 co-relation queries the response was YES. [2021-06-11 19:07:44,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19720 conditions, 2368 events. 151/2368 cut-off events. For 108462/108629 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 33493 event pairs, 0 based on Foata normal form. 0/2315 useless extension candidates. Maximal degree in co-relation 19580. Up to 302 conditions per place. [2021-06-11 19:07:44,163 INFO L151 LiptonReduction]: Number of co-enabled transitions 2902 [2021-06-11 19:07:44,192 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:44,192 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:44,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 488 [2021-06-11 19:07:44,192 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 423 transitions, 18240 flow [2021-06-11 19:07:44,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:44,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:44,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:44,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-06-11 19:07:44,193 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:44,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:44,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1101702052, now seen corresponding path program 106 times [2021-06-11 19:07:44,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:44,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9856737] [2021-06-11 19:07:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:44,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:44,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:44,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:44,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:44,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:44,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:44,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:44,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:44,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:07:44,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:07:44,240 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:44,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:44,257 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:44,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:44,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9856737] [2021-06-11 19:07:44,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:44,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:44,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005836658] [2021-06-11 19:07:44,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:44,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:44,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:44,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:44,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:44,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 423 transitions, 18240 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:44,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:44,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:44,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:45,028 INFO L129 PetriNetUnfolder]: 204/2461 cut-off events. [2021-06-11 19:07:45,029 INFO L130 PetriNetUnfolder]: For 112831/113432 co-relation queries the response was YES. [2021-06-11 19:07:45,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21429 conditions, 2461 events. 204/2461 cut-off events. For 112831/113432 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 33848 event pairs, 53 based on Foata normal form. 16/2380 useless extension candidates. Maximal degree in co-relation 21288. Up to 417 conditions per place. [2021-06-11 19:07:45,060 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 288 selfloop transitions, 138 changer transitions 2/442 dead transitions. [2021-06-11 19:07:45,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 442 transitions, 19838 flow [2021-06-11 19:07:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:45,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:45,061 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:45,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:45,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:45,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:45,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:45,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:45,062 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:45,062 INFO L185 Difference]: Start difference. First operand has 477 places, 423 transitions, 18240 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:45,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 442 transitions, 19838 flow [2021-06-11 19:07:45,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 442 transitions, 19498 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-06-11 19:07:45,748 INFO L241 Difference]: Finished difference. Result has 479 places, 421 transitions, 18109 flow [2021-06-11 19:07:45,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17938, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18109, PETRI_PLACES=479, PETRI_TRANSITIONS=421} [2021-06-11 19:07:45,748 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 441 predicate places. [2021-06-11 19:07:45,748 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:45,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 421 transitions, 18109 flow [2021-06-11 19:07:45,749 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 421 transitions, 18109 flow [2021-06-11 19:07:45,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 478 places, 421 transitions, 18109 flow [2021-06-11 19:07:46,176 INFO L129 PetriNetUnfolder]: 150/2358 cut-off events. [2021-06-11 19:07:46,176 INFO L130 PetriNetUnfolder]: For 108756/108957 co-relation queries the response was YES. [2021-06-11 19:07:46,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19626 conditions, 2358 events. 150/2358 cut-off events. For 108756/108957 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 33336 event pairs, 0 based on Foata normal form. 0/2304 useless extension candidates. Maximal degree in co-relation 19486. Up to 300 conditions per place. [2021-06-11 19:07:46,224 INFO L151 LiptonReduction]: Number of co-enabled transitions 2888 [2021-06-11 19:07:46,251 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:46,251 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:46,251 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 503 [2021-06-11 19:07:46,251 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 421 transitions, 18109 flow [2021-06-11 19:07:46,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:46,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:46,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:46,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-06-11 19:07:46,252 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:46,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:46,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1253941404, now seen corresponding path program 107 times [2021-06-11 19:07:46,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:46,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468244948] [2021-06-11 19:07:46,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:46,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:46,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:46,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:46,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:46,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:46,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:46,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:46,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:46,282 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:46,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:46,295 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:46,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:46,313 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:46,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:46,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468244948] [2021-06-11 19:07:46,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:46,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:46,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865139066] [2021-06-11 19:07:46,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:46,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:46,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:46,330 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:46,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 421 transitions, 18109 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:46,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:46,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:46,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:47,056 INFO L129 PetriNetUnfolder]: 203/2451 cut-off events. [2021-06-11 19:07:47,056 INFO L130 PetriNetUnfolder]: For 112828/113442 co-relation queries the response was YES. [2021-06-11 19:07:47,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21332 conditions, 2451 events. 203/2451 cut-off events. For 112828/113442 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 33690 event pairs, 53 based on Foata normal form. 17/2371 useless extension candidates. Maximal degree in co-relation 21191. Up to 417 conditions per place. [2021-06-11 19:07:47,087 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 135 changer transitions 2/440 dead transitions. [2021-06-11 19:07:47,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 440 transitions, 19673 flow [2021-06-11 19:07:47,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:47,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:47,088 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:47,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:47,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:47,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:47,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:47,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:47,089 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:47,089 INFO L185 Difference]: Start difference. First operand has 478 places, 421 transitions, 18109 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:47,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 440 transitions, 19673 flow [2021-06-11 19:07:47,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 440 transitions, 19461 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:47,745 INFO L241 Difference]: Finished difference. Result has 483 places, 424 transitions, 18365 flow [2021-06-11 19:07:47,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17905, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18365, PETRI_PLACES=483, PETRI_TRANSITIONS=424} [2021-06-11 19:07:47,746 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 445 predicate places. [2021-06-11 19:07:47,746 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:47,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 424 transitions, 18365 flow [2021-06-11 19:07:47,746 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 424 transitions, 18365 flow [2021-06-11 19:07:47,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 424 transitions, 18365 flow [2021-06-11 19:07:48,143 INFO L129 PetriNetUnfolder]: 149/2348 cut-off events. [2021-06-11 19:07:48,143 INFO L130 PetriNetUnfolder]: For 109368/109540 co-relation queries the response was YES. [2021-06-11 19:07:48,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19657 conditions, 2348 events. 149/2348 cut-off events. For 109368/109540 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 33239 event pairs, 0 based on Foata normal form. 0/2295 useless extension candidates. Maximal degree in co-relation 19516. Up to 298 conditions per place. [2021-06-11 19:07:48,191 INFO L151 LiptonReduction]: Number of co-enabled transitions 2924 [2021-06-11 19:07:48,220 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:48,220 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:48,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-06-11 19:07:48,220 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 424 transitions, 18365 flow [2021-06-11 19:07:48,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:48,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:48,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:48,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-06-11 19:07:48,221 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:48,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:48,221 INFO L82 PathProgramCache]: Analyzing trace with hash -456671904, now seen corresponding path program 108 times [2021-06-11 19:07:48,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:48,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961979489] [2021-06-11 19:07:48,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:48,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:48,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:48,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:48,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:48,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:48,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:48,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:48,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:48,247 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:07:48,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:07:48,258 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:48,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:48,274 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:48,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:48,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961979489] [2021-06-11 19:07:48,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:48,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:48,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341109798] [2021-06-11 19:07:48,292 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:48,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:48,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:48,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:48,292 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:48,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 424 transitions, 18365 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:48,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:48,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:48,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:49,047 INFO L129 PetriNetUnfolder]: 202/2441 cut-off events. [2021-06-11 19:07:49,048 INFO L130 PetriNetUnfolder]: For 113818/114429 co-relation queries the response was YES. [2021-06-11 19:07:49,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21360 conditions, 2441 events. 202/2441 cut-off events. For 113818/114429 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 33492 event pairs, 53 based on Foata normal form. 17/2366 useless extension candidates. Maximal degree in co-relation 21218. Up to 417 conditions per place. [2021-06-11 19:07:49,080 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 286 selfloop transitions, 136 changer transitions 2/438 dead transitions. [2021-06-11 19:07:49,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 438 transitions, 19691 flow [2021-06-11 19:07:49,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:49,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:49,081 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:49,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:49,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:49,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:49,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:49,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:49,082 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:49,082 INFO L185 Difference]: Start difference. First operand has 482 places, 424 transitions, 18365 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:49,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 438 transitions, 19691 flow [2021-06-11 19:07:49,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 438 transitions, 19554 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-06-11 19:07:49,772 INFO L241 Difference]: Finished difference. Result has 487 places, 422 transitions, 18403 flow [2021-06-11 19:07:49,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18236, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18403, PETRI_PLACES=487, PETRI_TRANSITIONS=422} [2021-06-11 19:07:49,772 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 449 predicate places. [2021-06-11 19:07:49,772 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:49,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 422 transitions, 18403 flow [2021-06-11 19:07:49,773 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 422 transitions, 18403 flow [2021-06-11 19:07:49,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 422 transitions, 18403 flow [2021-06-11 19:07:50,177 INFO L129 PetriNetUnfolder]: 148/2338 cut-off events. [2021-06-11 19:07:50,177 INFO L130 PetriNetUnfolder]: For 110056/110246 co-relation queries the response was YES. [2021-06-11 19:07:50,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19771 conditions, 2338 events. 148/2338 cut-off events. For 110056/110246 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33051 event pairs, 0 based on Foata normal form. 0/2284 useless extension candidates. Maximal degree in co-relation 19630. Up to 296 conditions per place. [2021-06-11 19:07:50,226 INFO L151 LiptonReduction]: Number of co-enabled transitions 2920 [2021-06-11 19:07:50,254 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:50,254 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:50,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-06-11 19:07:50,254 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 422 transitions, 18403 flow [2021-06-11 19:07:50,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:50,255 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:50,255 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:50,255 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-06-11 19:07:50,255 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:50,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:50,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1967940512, now seen corresponding path program 109 times [2021-06-11 19:07:50,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:50,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393790230] [2021-06-11 19:07:50,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:50,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:50,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:50,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:50,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:50,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:50,279 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:50,295 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:50,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:50,312 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:50,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393790230] [2021-06-11 19:07:50,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:50,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:50,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267103309] [2021-06-11 19:07:50,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:50,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:50,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:50,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:50,330 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:50,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 422 transitions, 18403 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:50,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:50,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:50,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:51,061 INFO L129 PetriNetUnfolder]: 201/2431 cut-off events. [2021-06-11 19:07:51,061 INFO L130 PetriNetUnfolder]: For 114214/114849 co-relation queries the response was YES. [2021-06-11 19:07:51,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21471 conditions, 2431 events. 201/2431 cut-off events. For 114214/114849 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 33355 event pairs, 53 based on Foata normal form. 17/2361 useless extension candidates. Maximal degree in co-relation 21329. Up to 417 conditions per place. [2021-06-11 19:07:51,092 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 138 changer transitions 0/436 dead transitions. [2021-06-11 19:07:51,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 436 transitions, 19725 flow [2021-06-11 19:07:51,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:51,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:51,094 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:51,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:51,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:51,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:51,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:51,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:51,094 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:51,094 INFO L185 Difference]: Start difference. First operand has 486 places, 422 transitions, 18403 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:51,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 436 transitions, 19725 flow [2021-06-11 19:07:51,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 436 transitions, 19463 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:51,799 INFO L241 Difference]: Finished difference. Result has 489 places, 422 transitions, 18428 flow [2021-06-11 19:07:51,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18149, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18428, PETRI_PLACES=489, PETRI_TRANSITIONS=422} [2021-06-11 19:07:51,799 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 451 predicate places. [2021-06-11 19:07:51,799 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:51,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 422 transitions, 18428 flow [2021-06-11 19:07:51,800 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 422 transitions, 18428 flow [2021-06-11 19:07:51,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 489 places, 422 transitions, 18428 flow [2021-06-11 19:07:52,204 INFO L129 PetriNetUnfolder]: 148/2337 cut-off events. [2021-06-11 19:07:52,204 INFO L130 PetriNetUnfolder]: For 109654/109826 co-relation queries the response was YES. [2021-06-11 19:07:52,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19782 conditions, 2337 events. 148/2337 cut-off events. For 109654/109826 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33059 event pairs, 0 based on Foata normal form. 0/2285 useless extension candidates. Maximal degree in co-relation 19641. Up to 296 conditions per place. [2021-06-11 19:07:52,256 INFO L151 LiptonReduction]: Number of co-enabled transitions 2920 [2021-06-11 19:07:52,285 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:52,285 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:52,286 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 487 [2021-06-11 19:07:52,286 INFO L480 AbstractCegarLoop]: Abstraction has has 489 places, 422 transitions, 18428 flow [2021-06-11 19:07:52,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:52,286 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:52,286 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:52,286 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-06-11 19:07:52,286 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:52,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:52,286 INFO L82 PathProgramCache]: Analyzing trace with hash 109113996, now seen corresponding path program 110 times [2021-06-11 19:07:52,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:52,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029901001] [2021-06-11 19:07:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:52,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:52,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:52,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:52,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:52,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:52,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:52,302 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:52,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:52,311 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:52,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:52,324 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:52,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:52,342 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:52,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:52,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029901001] [2021-06-11 19:07:52,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:52,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:52,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105522212] [2021-06-11 19:07:52,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:52,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:52,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:52,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:52,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:52,360 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 422 transitions, 18428 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:52,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:52,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:52,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:53,118 INFO L129 PetriNetUnfolder]: 201/2430 cut-off events. [2021-06-11 19:07:53,118 INFO L130 PetriNetUnfolder]: For 114034/114634 co-relation queries the response was YES. [2021-06-11 19:07:53,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21481 conditions, 2430 events. 201/2430 cut-off events. For 114034/114634 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 33314 event pairs, 53 based on Foata normal form. 16/2350 useless extension candidates. Maximal degree in co-relation 21339. Up to 417 conditions per place. [2021-06-11 19:07:53,150 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 137 changer transitions 1/436 dead transitions. [2021-06-11 19:07:53,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 436 transitions, 19750 flow [2021-06-11 19:07:53,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:53,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:53,151 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:53,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:53,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:53,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:53,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:53,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:53,152 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:53,152 INFO L185 Difference]: Start difference. First operand has 489 places, 422 transitions, 18428 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:53,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 436 transitions, 19750 flow [2021-06-11 19:07:53,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 436 transitions, 19498 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-06-11 19:07:53,909 INFO L241 Difference]: Finished difference. Result has 494 places, 431 transitions, 18905 flow [2021-06-11 19:07:53,909 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18176, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18905, PETRI_PLACES=494, PETRI_TRANSITIONS=431} [2021-06-11 19:07:53,909 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 456 predicate places. [2021-06-11 19:07:53,909 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:53,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 431 transitions, 18905 flow [2021-06-11 19:07:53,909 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 431 transitions, 18905 flow [2021-06-11 19:07:53,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 431 transitions, 18905 flow [2021-06-11 19:07:54,314 INFO L129 PetriNetUnfolder]: 147/2328 cut-off events. [2021-06-11 19:07:54,315 INFO L130 PetriNetUnfolder]: For 113212/113428 co-relation queries the response was YES. [2021-06-11 19:07:54,339 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20113 conditions, 2328 events. 147/2328 cut-off events. For 113212/113428 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 32836 event pairs, 0 based on Foata normal form. 0/2273 useless extension candidates. Maximal degree in co-relation 19971. Up to 294 conditions per place. [2021-06-11 19:07:54,363 INFO L151 LiptonReduction]: Number of co-enabled transitions 3006 [2021-06-11 19:07:54,393 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:54,393 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:54,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 484 [2021-06-11 19:07:54,393 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 431 transitions, 18905 flow [2021-06-11 19:07:54,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:54,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:54,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:54,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-06-11 19:07:54,393 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:54,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:54,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1919120356, now seen corresponding path program 111 times [2021-06-11 19:07:54,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:54,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314234984] [2021-06-11 19:07:54,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:54,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:54,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:54,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:54,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:54,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:54,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:54,409 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:54,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:54,419 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:54,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:54,432 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:54,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:54,449 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:54,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:54,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314234984] [2021-06-11 19:07:54,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:54,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:54,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958659109] [2021-06-11 19:07:54,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:54,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:54,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:54,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:54,467 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:54,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 431 transitions, 18905 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:54,468 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:54,468 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:54,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:55,253 INFO L129 PetriNetUnfolder]: 200/2421 cut-off events. [2021-06-11 19:07:55,253 INFO L130 PetriNetUnfolder]: For 117598/118207 co-relation queries the response was YES. [2021-06-11 19:07:55,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21809 conditions, 2421 events. 200/2421 cut-off events. For 117598/118207 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33204 event pairs, 53 based on Foata normal form. 16/2349 useless extension candidates. Maximal degree in co-relation 21666. Up to 417 conditions per place. [2021-06-11 19:07:55,286 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 135 changer transitions 2/435 dead transitions. [2021-06-11 19:07:55,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 435 transitions, 19827 flow [2021-06-11 19:07:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:55,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:55,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:55,287 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:55,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:55,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:55,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:55,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:55,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:55,288 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:55,288 INFO L185 Difference]: Start difference. First operand has 493 places, 431 transitions, 18905 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:55,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 435 transitions, 19827 flow [2021-06-11 19:07:56,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 435 transitions, 19628 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:56,017 INFO L241 Difference]: Finished difference. Result has 496 places, 429 transitions, 18871 flow [2021-06-11 19:07:56,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18714, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18871, PETRI_PLACES=496, PETRI_TRANSITIONS=429} [2021-06-11 19:07:56,017 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 458 predicate places. [2021-06-11 19:07:56,017 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:56,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 429 transitions, 18871 flow [2021-06-11 19:07:56,018 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 429 transitions, 18871 flow [2021-06-11 19:07:56,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 429 transitions, 18871 flow [2021-06-11 19:07:56,422 INFO L129 PetriNetUnfolder]: 146/2318 cut-off events. [2021-06-11 19:07:56,422 INFO L130 PetriNetUnfolder]: For 111725/111897 co-relation queries the response was YES. [2021-06-11 19:07:56,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20187 conditions, 2318 events. 146/2318 cut-off events. For 111725/111897 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 32742 event pairs, 0 based on Foata normal form. 0/2266 useless extension candidates. Maximal degree in co-relation 20047. Up to 292 conditions per place. [2021-06-11 19:07:56,471 INFO L151 LiptonReduction]: Number of co-enabled transitions 2996 [2021-06-11 19:07:56,501 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:56,501 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:56,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 484 [2021-06-11 19:07:56,502 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 429 transitions, 18871 flow [2021-06-11 19:07:56,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:56,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:56,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:56,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-06-11 19:07:56,502 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1582324286, now seen corresponding path program 112 times [2021-06-11 19:07:56,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:56,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975107985] [2021-06-11 19:07:56,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:56,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:56,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:56,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:56,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:07:56,527 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:56,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:56,541 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:56,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:56,559 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:56,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:56,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975107985] [2021-06-11 19:07:56,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:56,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:56,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819935943] [2021-06-11 19:07:56,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:56,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:56,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:56,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:56,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:56,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 429 transitions, 18871 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:56,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:56,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:56,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:57,374 INFO L129 PetriNetUnfolder]: 199/2411 cut-off events. [2021-06-11 19:07:57,374 INFO L130 PetriNetUnfolder]: For 116166/116780 co-relation queries the response was YES. [2021-06-11 19:07:57,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21880 conditions, 2411 events. 199/2411 cut-off events. For 116166/116780 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 32996 event pairs, 53 based on Foata normal form. 17/2331 useless extension candidates. Maximal degree in co-relation 21739. Up to 417 conditions per place. [2021-06-11 19:07:57,404 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 283 selfloop transitions, 133 changer transitions 3/433 dead transitions. [2021-06-11 19:07:57,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 433 transitions, 19789 flow [2021-06-11 19:07:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:57,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:57,405 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:57,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:57,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:57,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:57,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:57,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:57,406 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:57,406 INFO L185 Difference]: Start difference. First operand has 495 places, 429 transitions, 18871 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:57,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 433 transitions, 19789 flow [2021-06-11 19:07:58,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 433 transitions, 19527 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:07:58,048 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18704 flow [2021-06-11 19:07:58,048 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18617, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18704, PETRI_PLACES=498, PETRI_TRANSITIONS=426} [2021-06-11 19:07:58,048 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-06-11 19:07:58,048 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:07:58,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18704 flow [2021-06-11 19:07:58,049 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18704 flow [2021-06-11 19:07:58,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 426 transitions, 18704 flow [2021-06-11 19:07:58,443 INFO L129 PetriNetUnfolder]: 145/2302 cut-off events. [2021-06-11 19:07:58,443 INFO L130 PetriNetUnfolder]: For 110515/110712 co-relation queries the response was YES. [2021-06-11 19:07:58,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20030 conditions, 2302 events. 145/2302 cut-off events. For 110515/110712 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 32408 event pairs, 0 based on Foata normal form. 1/2252 useless extension candidates. Maximal degree in co-relation 19890. Up to 290 conditions per place. [2021-06-11 19:07:58,492 INFO L151 LiptonReduction]: Number of co-enabled transitions 2972 [2021-06-11 19:07:58,521 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:07:58,521 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:07:58,522 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-06-11 19:07:58,522 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 426 transitions, 18704 flow [2021-06-11 19:07:58,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:58,522 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:07:58,522 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:07:58,522 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-06-11 19:07:58,522 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:07:58,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:07:58,522 INFO L82 PathProgramCache]: Analyzing trace with hash 308179398, now seen corresponding path program 113 times [2021-06-11 19:07:58,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:07:58,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811907894] [2021-06-11 19:07:58,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:07:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:07:58,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:58,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:07:58,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:58,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:07:58,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:07:58,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:07:58,538 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:07:58,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:07:58,547 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:07:58,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:07:58,561 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:07:58,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:07:58,578 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:07:58,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:07:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:07:58,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811907894] [2021-06-11 19:07:58,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:07:58,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:07:58,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481607025] [2021-06-11 19:07:58,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:07:58,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:07:58,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:07:58,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:07:58,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:07:58,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 426 transitions, 18704 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:58,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:07:58,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:07:58,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:07:59,348 INFO L129 PetriNetUnfolder]: 198/2395 cut-off events. [2021-06-11 19:07:59,348 INFO L130 PetriNetUnfolder]: For 115088/115696 co-relation queries the response was YES. [2021-06-11 19:07:59,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21717 conditions, 2395 events. 198/2395 cut-off events. For 115088/115696 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 32767 event pairs, 53 based on Foata normal form. 17/2317 useless extension candidates. Maximal degree in co-relation 21576. Up to 417 conditions per place. [2021-06-11 19:07:59,379 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 136 changer transitions 0/430 dead transitions. [2021-06-11 19:07:59,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 430 transitions, 19616 flow [2021-06-11 19:07:59,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:07:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:07:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:07:59,380 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:07:59,380 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:07:59,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:07:59,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:07:59,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:07:59,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:59,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:59,381 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:07:59,381 INFO L185 Difference]: Start difference. First operand has 496 places, 426 transitions, 18704 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:07:59,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 430 transitions, 19616 flow [2021-06-11 19:08:00,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 430 transitions, 19343 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-06-11 19:08:00,091 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18722 flow [2021-06-11 19:08:00,091 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18447, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18722, PETRI_PLACES=498, PETRI_TRANSITIONS=426} [2021-06-11 19:08:00,091 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-06-11 19:08:00,092 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:00,092 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18722 flow [2021-06-11 19:08:00,092 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18722 flow [2021-06-11 19:08:00,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 498 places, 426 transitions, 18722 flow [2021-06-11 19:08:00,490 INFO L129 PetriNetUnfolder]: 145/2301 cut-off events. [2021-06-11 19:08:00,490 INFO L130 PetriNetUnfolder]: For 108643/108815 co-relation queries the response was YES. [2021-06-11 19:08:00,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19795 conditions, 2301 events. 145/2301 cut-off events. For 108643/108815 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 32410 event pairs, 0 based on Foata normal form. 0/2250 useless extension candidates. Maximal degree in co-relation 19656. Up to 290 conditions per place. [2021-06-11 19:08:00,541 INFO L151 LiptonReduction]: Number of co-enabled transitions 2972 [2021-06-11 19:08:00,570 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:00,571 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:00,571 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-06-11 19:08:00,571 INFO L480 AbstractCegarLoop]: Abstraction has has 498 places, 426 transitions, 18722 flow [2021-06-11 19:08:00,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:00,571 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:00,571 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:00,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-06-11 19:08:00,571 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:00,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:00,571 INFO L82 PathProgramCache]: Analyzing trace with hash -852842716, now seen corresponding path program 114 times [2021-06-11 19:08:00,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:00,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017568276] [2021-06-11 19:08:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:00,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:00,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:00,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:00,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:00,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:00,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:00,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:00,596 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:08:00,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:08:00,609 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:00,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:00,626 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:00,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:00,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017568276] [2021-06-11 19:08:00,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:00,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:00,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802101120] [2021-06-11 19:08:00,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:00,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:00,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:00,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:00,644 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:00,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 426 transitions, 18722 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:00,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:00,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:00,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:01,413 INFO L129 PetriNetUnfolder]: 198/2394 cut-off events. [2021-06-11 19:08:01,413 INFO L130 PetriNetUnfolder]: For 112880/113513 co-relation queries the response was YES. [2021-06-11 19:08:01,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21482 conditions, 2394 events. 198/2394 cut-off events. For 112880/113513 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 32691 event pairs, 53 based on Foata normal form. 16/2314 useless extension candidates. Maximal degree in co-relation 21342. Up to 417 conditions per place. [2021-06-11 19:08:01,444 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 135 changer transitions 2/430 dead transitions. [2021-06-11 19:08:01,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 430 transitions, 19626 flow [2021-06-11 19:08:01,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:01,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:01,445 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:01,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:01,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:01,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:01,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:01,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:01,445 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:01,445 INFO L185 Difference]: Start difference. First operand has 498 places, 426 transitions, 18722 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:01,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 430 transitions, 19626 flow [2021-06-11 19:08:02,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 430 transitions, 19509 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 19:08:02,126 INFO L241 Difference]: Finished difference. Result has 504 places, 424 transitions, 18761 flow [2021-06-11 19:08:02,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18605, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18761, PETRI_PLACES=504, PETRI_TRANSITIONS=424} [2021-06-11 19:08:02,126 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 466 predicate places. [2021-06-11 19:08:02,126 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:02,126 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 424 transitions, 18761 flow [2021-06-11 19:08:02,126 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 424 transitions, 18761 flow [2021-06-11 19:08:02,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 424 transitions, 18761 flow [2021-06-11 19:08:02,535 INFO L129 PetriNetUnfolder]: 144/2291 cut-off events. [2021-06-11 19:08:02,536 INFO L130 PetriNetUnfolder]: For 110850/111022 co-relation queries the response was YES. [2021-06-11 19:08:02,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 2291 events. 144/2291 cut-off events. For 110850/111022 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 32265 event pairs, 0 based on Foata normal form. 0/2240 useless extension candidates. Maximal degree in co-relation 20000. Up to 288 conditions per place. [2021-06-11 19:08:02,584 INFO L151 LiptonReduction]: Number of co-enabled transitions 2960 [2021-06-11 19:08:02,613 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:02,613 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:02,613 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 487 [2021-06-11 19:08:02,613 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 424 transitions, 18761 flow [2021-06-11 19:08:02,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:02,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:02,613 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:02,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-06-11 19:08:02,613 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:02,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:02,614 INFO L82 PathProgramCache]: Analyzing trace with hash -108140218, now seen corresponding path program 115 times [2021-06-11 19:08:02,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:02,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819471284] [2021-06-11 19:08:02,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:02,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:02,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:02,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:02,639 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:02,648 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:08:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:08:02,661 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:02,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:02,678 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:02,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:02,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819471284] [2021-06-11 19:08:02,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:02,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:02,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161497157] [2021-06-11 19:08:02,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:02,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:02,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:02,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:02,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:02,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 424 transitions, 18761 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:02,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:02,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:02,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:03,460 INFO L129 PetriNetUnfolder]: 197/2384 cut-off events. [2021-06-11 19:08:03,460 INFO L130 PetriNetUnfolder]: For 115165/115765 co-relation queries the response was YES. [2021-06-11 19:08:03,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21823 conditions, 2384 events. 197/2384 cut-off events. For 115165/115765 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 32535 event pairs, 53 based on Foata normal form. 16/2313 useless extension candidates. Maximal degree in co-relation 21682. Up to 417 conditions per place. [2021-06-11 19:08:03,492 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 135 changer transitions 2/428 dead transitions. [2021-06-11 19:08:03,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 428 transitions, 19669 flow [2021-06-11 19:08:03,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:03,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:03,493 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:03,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:03,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:03,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:03,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:03,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:03,494 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:03,494 INFO L185 Difference]: Start difference. First operand has 503 places, 424 transitions, 18761 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:03,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 428 transitions, 19669 flow [2021-06-11 19:08:04,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 428 transitions, 19410 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-06-11 19:08:04,214 INFO L241 Difference]: Finished difference. Result has 505 places, 422 transitions, 18667 flow [2021-06-11 19:08:04,214 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18510, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18667, PETRI_PLACES=505, PETRI_TRANSITIONS=422} [2021-06-11 19:08:04,214 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 467 predicate places. [2021-06-11 19:08:04,214 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:04,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 422 transitions, 18667 flow [2021-06-11 19:08:04,215 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 422 transitions, 18667 flow [2021-06-11 19:08:04,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 422 transitions, 18667 flow [2021-06-11 19:08:04,610 INFO L129 PetriNetUnfolder]: 143/2281 cut-off events. [2021-06-11 19:08:04,610 INFO L130 PetriNetUnfolder]: For 109143/109315 co-relation queries the response was YES. [2021-06-11 19:08:04,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20113 conditions, 2281 events. 143/2281 cut-off events. For 109143/109315 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 32104 event pairs, 0 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 19975. Up to 286 conditions per place. [2021-06-11 19:08:04,659 INFO L151 LiptonReduction]: Number of co-enabled transitions 2956 [2021-06-11 19:08:04,688 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:04,688 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:04,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-06-11 19:08:04,688 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 422 transitions, 18667 flow [2021-06-11 19:08:04,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:04,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:04,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:04,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-06-11 19:08:04,689 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:04,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:04,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1925928096, now seen corresponding path program 116 times [2021-06-11 19:08:04,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:04,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922602866] [2021-06-11 19:08:04,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:04,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:04,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:04,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:04,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:04,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:04,705 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:04,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:04,714 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:04,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:04,727 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:04,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:04,745 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:04,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:04,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922602866] [2021-06-11 19:08:04,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:04,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:04,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409399142] [2021-06-11 19:08:04,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:04,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:04,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:04,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:04,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:04,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 422 transitions, 18667 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:04,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:04,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:04,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:05,477 INFO L129 PetriNetUnfolder]: 196/2374 cut-off events. [2021-06-11 19:08:05,478 INFO L130 PetriNetUnfolder]: For 113643/114254 co-relation queries the response was YES. [2021-06-11 19:08:05,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21793 conditions, 2374 events. 196/2374 cut-off events. For 113643/114254 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 32429 event pairs, 53 based on Foata normal form. 17/2295 useless extension candidates. Maximal degree in co-relation 21654. Up to 417 conditions per place. [2021-06-11 19:08:05,512 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 131 changer transitions 4/426 dead transitions. [2021-06-11 19:08:05,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 426 transitions, 19571 flow [2021-06-11 19:08:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:05,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:05,513 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:05,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:05,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:05,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:05,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:05,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:05,514 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:05,514 INFO L185 Difference]: Start difference. First operand has 504 places, 422 transitions, 18667 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:05,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 426 transitions, 19571 flow [2021-06-11 19:08:06,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 426 transitions, 19311 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:08:06,227 INFO L241 Difference]: Finished difference. Result has 507 places, 418 transitions, 18437 flow [2021-06-11 19:08:06,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18415, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18437, PETRI_PLACES=507, PETRI_TRANSITIONS=418} [2021-06-11 19:08:06,227 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 469 predicate places. [2021-06-11 19:08:06,227 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:06,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 418 transitions, 18437 flow [2021-06-11 19:08:06,227 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 418 transitions, 18437 flow [2021-06-11 19:08:06,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 418 transitions, 18437 flow [2021-06-11 19:08:06,605 INFO L129 PetriNetUnfolder]: 142/2264 cut-off events. [2021-06-11 19:08:06,605 INFO L130 PetriNetUnfolder]: For 108107/108278 co-relation queries the response was YES. [2021-06-11 19:08:06,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19947 conditions, 2264 events. 142/2264 cut-off events. For 108107/108278 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 31836 event pairs, 0 based on Foata normal form. 0/2213 useless extension candidates. Maximal degree in co-relation 19809. Up to 284 conditions per place. [2021-06-11 19:08:06,651 INFO L151 LiptonReduction]: Number of co-enabled transitions 2928 [2021-06-11 19:08:06,679 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:06,680 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:06,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-06-11 19:08:06,680 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 418 transitions, 18437 flow [2021-06-11 19:08:06,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:06,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:06,680 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:06,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-06-11 19:08:06,680 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:06,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:06,680 INFO L82 PathProgramCache]: Analyzing trace with hash 2030153214, now seen corresponding path program 117 times [2021-06-11 19:08:06,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:06,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403781115] [2021-06-11 19:08:06,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:06,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:06,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:06,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:06,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:06,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:06,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:06,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:06,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:08:06,708 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:06,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:06,721 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:06,739 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:06,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:06,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403781115] [2021-06-11 19:08:06,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:06,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:06,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042891039] [2021-06-11 19:08:06,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:06,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:06,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:06,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:06,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:06,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 418 transitions, 18437 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:06,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:06,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:06,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:07,469 INFO L129 PetriNetUnfolder]: 195/2357 cut-off events. [2021-06-11 19:08:07,469 INFO L130 PetriNetUnfolder]: For 112504/113118 co-relation queries the response was YES. [2021-06-11 19:08:07,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21621 conditions, 2357 events. 195/2357 cut-off events. For 112504/113118 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 32145 event pairs, 53 based on Foata normal form. 17/2279 useless extension candidates. Maximal degree in co-relation 21482. Up to 417 conditions per place. [2021-06-11 19:08:07,501 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 127 changer transitions 1/422 dead transitions. [2021-06-11 19:08:07,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 422 transitions, 19333 flow [2021-06-11 19:08:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:07,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:07,508 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:07,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:07,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:07,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:07,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:07,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:07,509 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:07,509 INFO L185 Difference]: Start difference. First operand has 505 places, 418 transitions, 18437 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:07,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 422 transitions, 19333 flow [2021-06-11 19:08:08,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 422 transitions, 19116 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-06-11 19:08:08,183 INFO L241 Difference]: Finished difference. Result has 508 places, 417 transitions, 18427 flow [2021-06-11 19:08:08,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18236, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18427, PETRI_PLACES=508, PETRI_TRANSITIONS=417} [2021-06-11 19:08:08,184 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 470 predicate places. [2021-06-11 19:08:08,184 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:08,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 417 transitions, 18427 flow [2021-06-11 19:08:08,184 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 417 transitions, 18427 flow [2021-06-11 19:08:08,189 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 417 transitions, 18427 flow [2021-06-11 19:08:08,571 INFO L129 PetriNetUnfolder]: 141/2255 cut-off events. [2021-06-11 19:08:08,571 INFO L130 PetriNetUnfolder]: For 105740/105912 co-relation queries the response was YES. [2021-06-11 19:08:08,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19738 conditions, 2255 events. 141/2255 cut-off events. For 105740/105912 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31677 event pairs, 0 based on Foata normal form. 0/2204 useless extension candidates. Maximal degree in co-relation 19601. Up to 282 conditions per place. [2021-06-11 19:08:08,617 INFO L151 LiptonReduction]: Number of co-enabled transitions 2926 [2021-06-11 19:08:08,645 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:08,645 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:08,645 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 461 [2021-06-11 19:08:08,646 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 417 transitions, 18427 flow [2021-06-11 19:08:08,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:08,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:08,646 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:08,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-06-11 19:08:08,646 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:08,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:08,646 INFO L82 PathProgramCache]: Analyzing trace with hash 297676294, now seen corresponding path program 118 times [2021-06-11 19:08:08,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:08,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833169244] [2021-06-11 19:08:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:08,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:08,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:08,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:08,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:08,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:08,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:08,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:08,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:08:08,673 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:08:08,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:08:08,686 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:08,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:08,704 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:08,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:08,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833169244] [2021-06-11 19:08:08,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:08,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:08,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705744098] [2021-06-11 19:08:08,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:08,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:08,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:08,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:08,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:08,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 417 transitions, 18427 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:08,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:08,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:08,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:09,402 INFO L129 PetriNetUnfolder]: 194/2348 cut-off events. [2021-06-11 19:08:09,402 INFO L130 PetriNetUnfolder]: For 110130/110730 co-relation queries the response was YES. [2021-06-11 19:08:09,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21411 conditions, 2348 events. 194/2348 cut-off events. For 110130/110730 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 31937 event pairs, 53 based on Foata normal form. 16/2268 useless extension candidates. Maximal degree in co-relation 21273. Up to 417 conditions per place. [2021-06-11 19:08:09,432 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 281 selfloop transitions, 126 changer transitions 0/421 dead transitions. [2021-06-11 19:08:09,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 421 transitions, 19313 flow [2021-06-11 19:08:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:09,432 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:09,432 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:09,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:09,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:09,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:09,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:09,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:09,433 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:09,433 INFO L185 Difference]: Start difference. First operand has 507 places, 417 transitions, 18427 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:09,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 421 transitions, 19313 flow [2021-06-11 19:08:10,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 421 transitions, 19020 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-06-11 19:08:10,110 INFO L241 Difference]: Finished difference. Result has 509 places, 417 transitions, 18397 flow [2021-06-11 19:08:10,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18142, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18397, PETRI_PLACES=509, PETRI_TRANSITIONS=417} [2021-06-11 19:08:10,110 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 471 predicate places. [2021-06-11 19:08:10,110 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:10,110 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 417 transitions, 18397 flow [2021-06-11 19:08:10,111 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 417 transitions, 18397 flow [2021-06-11 19:08:10,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 417 transitions, 18397 flow [2021-06-11 19:08:10,486 INFO L129 PetriNetUnfolder]: 141/2254 cut-off events. [2021-06-11 19:08:10,486 INFO L130 PetriNetUnfolder]: For 104820/104992 co-relation queries the response was YES. [2021-06-11 19:08:10,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19724 conditions, 2254 events. 141/2254 cut-off events. For 104820/104992 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31695 event pairs, 0 based on Foata normal form. 0/2203 useless extension candidates. Maximal degree in co-relation 19588. Up to 282 conditions per place. [2021-06-11 19:08:10,532 INFO L151 LiptonReduction]: Number of co-enabled transitions 2926 [2021-06-11 19:08:10,560 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:10,560 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:10,561 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 451 [2021-06-11 19:08:10,561 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 417 transitions, 18397 flow [2021-06-11 19:08:10,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:10,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:10,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:10,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-06-11 19:08:10,561 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1613833598, now seen corresponding path program 119 times [2021-06-11 19:08:10,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:10,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739217893] [2021-06-11 19:08:10,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:10,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:10,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:10,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:10,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:10,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:10,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:10,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:10,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:08:10,587 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:08:10,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:08:10,600 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:10,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:10,619 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:10,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:10,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739217893] [2021-06-11 19:08:10,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:10,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:10,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400238919] [2021-06-11 19:08:10,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:10,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:10,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:10,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:10,638 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:10,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 417 transitions, 18397 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:10,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:10,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:10,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:11,364 INFO L129 PetriNetUnfolder]: 194/2347 cut-off events. [2021-06-11 19:08:11,364 INFO L130 PetriNetUnfolder]: For 109073/109682 co-relation queries the response was YES. [2021-06-11 19:08:11,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21396 conditions, 2347 events. 194/2347 cut-off events. For 109073/109682 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 32008 event pairs, 53 based on Foata normal form. 16/2276 useless extension candidates. Maximal degree in co-relation 21259. Up to 417 conditions per place. [2021-06-11 19:08:11,395 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 122 changer transitions 5/421 dead transitions. [2021-06-11 19:08:11,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 421 transitions, 19283 flow [2021-06-11 19:08:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:11,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:11,396 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:11,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:11,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:11,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:11,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:11,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:11,397 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:11,397 INFO L185 Difference]: Start difference. First operand has 509 places, 417 transitions, 18397 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:11,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 421 transitions, 19283 flow [2021-06-11 19:08:12,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 421 transitions, 19030 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-06-11 19:08:12,126 INFO L241 Difference]: Finished difference. Result has 512 places, 412 transitions, 18093 flow [2021-06-11 19:08:12,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18144, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18093, PETRI_PLACES=512, PETRI_TRANSITIONS=412} [2021-06-11 19:08:12,127 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-06-11 19:08:12,127 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:12,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 412 transitions, 18093 flow [2021-06-11 19:08:12,127 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 412 transitions, 18093 flow [2021-06-11 19:08:12,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 412 transitions, 18093 flow [2021-06-11 19:08:12,508 INFO L129 PetriNetUnfolder]: 140/2237 cut-off events. [2021-06-11 19:08:12,509 INFO L130 PetriNetUnfolder]: For 104276/104448 co-relation queries the response was YES. [2021-06-11 19:08:12,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19814 conditions, 2237 events. 140/2237 cut-off events. For 104276/104448 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 31339 event pairs, 0 based on Foata normal form. 0/2186 useless extension candidates. Maximal degree in co-relation 19679. Up to 280 conditions per place. [2021-06-11 19:08:12,555 INFO L151 LiptonReduction]: Number of co-enabled transitions 2888 [2021-06-11 19:08:12,583 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:12,584 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:12,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-06-11 19:08:12,584 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 412 transitions, 18093 flow [2021-06-11 19:08:12,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:12,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:12,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:12,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-06-11 19:08:12,584 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:12,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:12,584 INFO L82 PathProgramCache]: Analyzing trace with hash -775409086, now seen corresponding path program 120 times [2021-06-11 19:08:12,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:12,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789006563] [2021-06-11 19:08:12,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:12,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:12,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:12,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:12,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:08:12,609 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:12,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:12,625 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:12,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:12,643 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:12,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:12,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789006563] [2021-06-11 19:08:12,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:12,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:12,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902264586] [2021-06-11 19:08:12,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:12,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:12,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:12,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:12,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:12,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 412 transitions, 18093 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:12,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:12,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:12,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:13,330 INFO L129 PetriNetUnfolder]: 193/2330 cut-off events. [2021-06-11 19:08:13,331 INFO L130 PetriNetUnfolder]: For 109040/109682 co-relation queries the response was YES. [2021-06-11 19:08:13,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21479 conditions, 2330 events. 193/2330 cut-off events. For 109040/109682 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 31695 event pairs, 53 based on Foata normal form. 17/2251 useless extension candidates. Maximal degree in co-relation 21343. Up to 417 conditions per place. [2021-06-11 19:08:13,360 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 122 changer transitions 2/416 dead transitions. [2021-06-11 19:08:13,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 416 transitions, 18977 flow [2021-06-11 19:08:13,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:13,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:13,361 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:13,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:13,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:13,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:13,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:13,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:13,362 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:13,362 INFO L185 Difference]: Start difference. First operand has 510 places, 412 transitions, 18093 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:13,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 416 transitions, 18977 flow [2021-06-11 19:08:14,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 416 transitions, 18728 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-06-11 19:08:14,070 INFO L241 Difference]: Finished difference. Result has 512 places, 410 transitions, 17980 flow [2021-06-11 19:08:14,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17860, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17980, PETRI_PLACES=512, PETRI_TRANSITIONS=410} [2021-06-11 19:08:14,070 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-06-11 19:08:14,070 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:14,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 410 transitions, 17980 flow [2021-06-11 19:08:14,070 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 410 transitions, 17980 flow [2021-06-11 19:08:14,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 410 transitions, 17980 flow [2021-06-11 19:08:14,443 INFO L129 PetriNetUnfolder]: 139/2227 cut-off events. [2021-06-11 19:08:14,443 INFO L130 PetriNetUnfolder]: For 101685/101874 co-relation queries the response was YES. [2021-06-11 19:08:14,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19515 conditions, 2227 events. 139/2227 cut-off events. For 101685/101874 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 31203 event pairs, 0 based on Foata normal form. 0/2174 useless extension candidates. Maximal degree in co-relation 19381. Up to 278 conditions per place. [2021-06-11 19:08:14,487 INFO L151 LiptonReduction]: Number of co-enabled transitions 2878 [2021-06-11 19:08:14,515 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:14,515 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:14,516 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-06-11 19:08:14,516 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 410 transitions, 17980 flow [2021-06-11 19:08:14,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:14,516 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:14,516 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:14,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-06-11 19:08:14,516 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:14,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:14,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1381899694, now seen corresponding path program 121 times [2021-06-11 19:08:14,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:14,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410378013] [2021-06-11 19:08:14,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:14,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:14,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:14,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:14,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:14,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:14,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:08:14,545 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-06-11 19:08:14,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 19:08:14,568 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:14,585 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:14,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:14,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410378013] [2021-06-11 19:08:14,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:14,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:14,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335106353] [2021-06-11 19:08:14,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:14,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:14,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:14,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:14,603 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:14,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 410 transitions, 17980 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:14,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:14,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:14,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:15,329 INFO L129 PetriNetUnfolder]: 192/2320 cut-off events. [2021-06-11 19:08:15,329 INFO L130 PetriNetUnfolder]: For 106359/106974 co-relation queries the response was YES. [2021-06-11 19:08:15,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21178 conditions, 2320 events. 192/2320 cut-off events. For 106359/106974 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 31533 event pairs, 53 based on Foata normal form. 17/2242 useless extension candidates. Maximal degree in co-relation 21043. Up to 417 conditions per place. [2021-06-11 19:08:15,358 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 120 changer transitions 2/414 dead transitions. [2021-06-11 19:08:15,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 414 transitions, 18852 flow [2021-06-11 19:08:15,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:15,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:15,360 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:15,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:15,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:15,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:15,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:15,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:15,360 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:15,360 INFO L185 Difference]: Start difference. First operand has 511 places, 410 transitions, 17980 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:15,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 414 transitions, 18852 flow [2021-06-11 19:08:16,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 414 transitions, 18654 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-11 19:08:16,028 INFO L241 Difference]: Finished difference. Result has 515 places, 408 transitions, 17903 flow [2021-06-11 19:08:16,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17790, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17903, PETRI_PLACES=515, PETRI_TRANSITIONS=408} [2021-06-11 19:08:16,028 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 477 predicate places. [2021-06-11 19:08:16,029 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:16,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 408 transitions, 17903 flow [2021-06-11 19:08:16,029 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 408 transitions, 17903 flow [2021-06-11 19:08:16,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 408 transitions, 17903 flow [2021-06-11 19:08:16,403 INFO L129 PetriNetUnfolder]: 138/2217 cut-off events. [2021-06-11 19:08:16,403 INFO L130 PetriNetUnfolder]: For 101540/101712 co-relation queries the response was YES. [2021-06-11 19:08:16,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19498 conditions, 2217 events. 138/2217 cut-off events. For 101540/101712 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31047 event pairs, 0 based on Foata normal form. 0/2165 useless extension candidates. Maximal degree in co-relation 19364. Up to 276 conditions per place. [2021-06-11 19:08:16,449 INFO L151 LiptonReduction]: Number of co-enabled transitions 2864 [2021-06-11 19:08:16,477 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:16,477 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:16,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 448 [2021-06-11 19:08:16,477 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 408 transitions, 17903 flow [2021-06-11 19:08:16,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:16,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:16,477 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:16,477 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-06-11 19:08:16,477 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:16,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:16,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1112061114, now seen corresponding path program 122 times [2021-06-11 19:08:16,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:16,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619771615] [2021-06-11 19:08:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:16,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:16,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:16,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:16,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:16,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:16,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:16,502 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:16,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:16,513 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:16,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:16,526 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:16,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:16,544 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:16,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:16,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619771615] [2021-06-11 19:08:16,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:16,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:16,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346594291] [2021-06-11 19:08:16,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:16,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:16,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:16,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:16,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:16,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 408 transitions, 17903 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:16,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:16,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:16,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:17,222 INFO L129 PetriNetUnfolder]: 191/2310 cut-off events. [2021-06-11 19:08:17,223 INFO L130 PetriNetUnfolder]: For 106059/106699 co-relation queries the response was YES. [2021-06-11 19:08:17,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21158 conditions, 2310 events. 191/2310 cut-off events. For 106059/106699 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31398 event pairs, 53 based on Foata normal form. 16/2230 useless extension candidates. Maximal degree in co-relation 21023. Up to 417 conditions per place. [2021-06-11 19:08:17,251 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 256 selfloop transitions, 142 changer transitions 0/412 dead transitions. [2021-06-11 19:08:17,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 412 transitions, 18771 flow [2021-06-11 19:08:17,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:17,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:17,252 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:17,252 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:17,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:17,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:17,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:17,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:17,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:17,253 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:17,253 INFO L185 Difference]: Start difference. First operand has 514 places, 408 transitions, 17903 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:17,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 412 transitions, 18771 flow [2021-06-11 19:08:17,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 412 transitions, 18533 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:08:17,945 INFO L241 Difference]: Finished difference. Result has 517 places, 408 transitions, 17960 flow [2021-06-11 19:08:17,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17673, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17960, PETRI_PLACES=517, PETRI_TRANSITIONS=408} [2021-06-11 19:08:17,945 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 479 predicate places. [2021-06-11 19:08:17,946 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:17,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 408 transitions, 17960 flow [2021-06-11 19:08:17,946 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 408 transitions, 17960 flow [2021-06-11 19:08:17,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 408 transitions, 17960 flow [2021-06-11 19:08:18,311 INFO L129 PetriNetUnfolder]: 138/2216 cut-off events. [2021-06-11 19:08:18,311 INFO L130 PetriNetUnfolder]: For 101490/101662 co-relation queries the response was YES. [2021-06-11 19:08:18,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19499 conditions, 2216 events. 138/2216 cut-off events. For 101490/101662 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31033 event pairs, 0 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 19365. Up to 276 conditions per place. [2021-06-11 19:08:18,357 INFO L151 LiptonReduction]: Number of co-enabled transitions 2864 [2021-06-11 19:08:18,385 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:18,385 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:18,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-06-11 19:08:18,386 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 408 transitions, 17960 flow [2021-06-11 19:08:18,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:18,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:18,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:18,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-06-11 19:08:18,386 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:18,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:18,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1034109646, now seen corresponding path program 123 times [2021-06-11 19:08:18,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:18,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696536758] [2021-06-11 19:08:18,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:18,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:18,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:18,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:18,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:18,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:18,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:18,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:18,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:18,412 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:18,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:18,426 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:18,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:18,444 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:18,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:18,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696536758] [2021-06-11 19:08:18,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:18,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:18,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762556355] [2021-06-11 19:08:18,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:18,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:18,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:18,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:18,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:18,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 408 transitions, 17960 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:18,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:18,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:18,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:19,169 INFO L129 PetriNetUnfolder]: 191/2309 cut-off events. [2021-06-11 19:08:19,169 INFO L130 PetriNetUnfolder]: For 105819/106426 co-relation queries the response was YES. [2021-06-11 19:08:19,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21158 conditions, 2309 events. 191/2309 cut-off events. For 105819/106426 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31351 event pairs, 53 based on Foata normal form. 16/2238 useless extension candidates. Maximal degree in co-relation 21023. Up to 417 conditions per place. [2021-06-11 19:08:19,199 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 258 selfloop transitions, 140 changer transitions 0/412 dead transitions. [2021-06-11 19:08:19,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 412 transitions, 18828 flow [2021-06-11 19:08:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:19,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:19,200 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:19,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:19,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:19,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:19,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:19,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:19,201 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:19,201 INFO L185 Difference]: Start difference. First operand has 517 places, 408 transitions, 17960 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:19,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 412 transitions, 18828 flow [2021-06-11 19:08:19,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 412 transitions, 18562 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-06-11 19:08:19,906 INFO L241 Difference]: Finished difference. Result has 521 places, 408 transitions, 17977 flow [2021-06-11 19:08:19,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17694, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17977, PETRI_PLACES=521, PETRI_TRANSITIONS=408} [2021-06-11 19:08:19,906 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 483 predicate places. [2021-06-11 19:08:19,906 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:19,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 408 transitions, 17977 flow [2021-06-11 19:08:19,906 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 408 transitions, 17977 flow [2021-06-11 19:08:19,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 408 transitions, 17977 flow [2021-06-11 19:08:20,280 INFO L129 PetriNetUnfolder]: 138/2215 cut-off events. [2021-06-11 19:08:20,280 INFO L130 PetriNetUnfolder]: For 103106/103278 co-relation queries the response was YES. [2021-06-11 19:08:20,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19731 conditions, 2215 events. 138/2215 cut-off events. For 103106/103278 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31027 event pairs, 0 based on Foata normal form. 0/2163 useless extension candidates. Maximal degree in co-relation 19596. Up to 276 conditions per place. [2021-06-11 19:08:20,328 INFO L151 LiptonReduction]: Number of co-enabled transitions 2864 [2021-06-11 19:08:20,357 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:20,357 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:20,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 451 [2021-06-11 19:08:20,357 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 408 transitions, 17977 flow [2021-06-11 19:08:20,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:20,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:20,358 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:20,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-06-11 19:08:20,358 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:20,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:20,358 INFO L82 PathProgramCache]: Analyzing trace with hash -785912190, now seen corresponding path program 124 times [2021-06-11 19:08:20,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:20,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325881385] [2021-06-11 19:08:20,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:20,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:20,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:20,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:20,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:20,374 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:20,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:20,385 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:20,406 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:20,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:20,424 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:20,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:20,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325881385] [2021-06-11 19:08:20,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:20,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:20,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695016272] [2021-06-11 19:08:20,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:20,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:20,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:20,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:20,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:20,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 408 transitions, 17977 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:20,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:20,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:20,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:21,162 INFO L129 PetriNetUnfolder]: 191/2308 cut-off events. [2021-06-11 19:08:21,163 INFO L130 PetriNetUnfolder]: For 107845/108463 co-relation queries the response was YES. [2021-06-11 19:08:21,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21388 conditions, 2308 events. 191/2308 cut-off events. For 107845/108463 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31363 event pairs, 53 based on Foata normal form. 17/2229 useless extension candidates. Maximal degree in co-relation 21252. Up to 417 conditions per place. [2021-06-11 19:08:21,192 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 139 changer transitions 0/412 dead transitions. [2021-06-11 19:08:21,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 412 transitions, 18853 flow [2021-06-11 19:08:21,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:21,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:21,193 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:21,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:21,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:21,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:21,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:21,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:21,193 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:21,194 INFO L185 Difference]: Start difference. First operand has 521 places, 408 transitions, 17977 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:21,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 412 transitions, 18853 flow [2021-06-11 19:08:21,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 412 transitions, 18643 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-06-11 19:08:21,913 INFO L241 Difference]: Finished difference. Result has 526 places, 408 transitions, 18048 flow [2021-06-11 19:08:21,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17767, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18048, PETRI_PLACES=526, PETRI_TRANSITIONS=408} [2021-06-11 19:08:21,913 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 488 predicate places. [2021-06-11 19:08:21,914 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:21,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 408 transitions, 18048 flow [2021-06-11 19:08:21,914 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 408 transitions, 18048 flow [2021-06-11 19:08:21,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 408 transitions, 18048 flow [2021-06-11 19:08:22,308 INFO L129 PetriNetUnfolder]: 138/2214 cut-off events. [2021-06-11 19:08:22,308 INFO L130 PetriNetUnfolder]: For 105268/105440 co-relation queries the response was YES. [2021-06-11 19:08:22,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20002 conditions, 2214 events. 138/2214 cut-off events. For 105268/105440 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31038 event pairs, 0 based on Foata normal form. 0/2162 useless extension candidates. Maximal degree in co-relation 19866. Up to 276 conditions per place. [2021-06-11 19:08:22,357 INFO L151 LiptonReduction]: Number of co-enabled transitions 2864 [2021-06-11 19:08:22,386 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:22,386 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:22,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 472 [2021-06-11 19:08:22,386 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 408 transitions, 18048 flow [2021-06-11 19:08:22,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:22,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:22,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:22,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-06-11 19:08:22,387 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:22,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1080695844, now seen corresponding path program 125 times [2021-06-11 19:08:22,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:22,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052669342] [2021-06-11 19:08:22,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:22,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:22,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:22,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:22,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:22,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:22,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:22,409 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:22,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:22,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:08:22,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:08:22,434 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:22,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:22,452 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:22,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:22,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052669342] [2021-06-11 19:08:22,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:22,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:22,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325039923] [2021-06-11 19:08:22,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:22,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:22,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:22,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:22,471 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:22,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 408 transitions, 18048 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:22,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:22,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:22,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:23,198 INFO L129 PetriNetUnfolder]: 191/2307 cut-off events. [2021-06-11 19:08:23,198 INFO L130 PetriNetUnfolder]: For 110210/110852 co-relation queries the response was YES. [2021-06-11 19:08:23,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21657 conditions, 2307 events. 191/2307 cut-off events. For 110210/110852 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31310 event pairs, 53 based on Foata normal form. 17/2229 useless extension candidates. Maximal degree in co-relation 21520. Up to 417 conditions per place. [2021-06-11 19:08:23,228 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 138 changer transitions 0/412 dead transitions. [2021-06-11 19:08:23,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 412 transitions, 18932 flow [2021-06-11 19:08:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:23,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:23,229 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:23,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:23,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:23,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:23,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:23,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:23,230 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:23,230 INFO L185 Difference]: Start difference. First operand has 526 places, 408 transitions, 18048 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:23,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 412 transitions, 18932 flow [2021-06-11 19:08:23,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 412 transitions, 18672 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-06-11 19:08:23,929 INFO L241 Difference]: Finished difference. Result has 530 places, 408 transitions, 18067 flow [2021-06-11 19:08:23,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17788, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18067, PETRI_PLACES=530, PETRI_TRANSITIONS=408} [2021-06-11 19:08:23,930 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 492 predicate places. [2021-06-11 19:08:23,930 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:23,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 408 transitions, 18067 flow [2021-06-11 19:08:23,930 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 408 transitions, 18067 flow [2021-06-11 19:08:23,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 530 places, 408 transitions, 18067 flow [2021-06-11 19:08:24,307 INFO L129 PetriNetUnfolder]: 138/2213 cut-off events. [2021-06-11 19:08:24,308 INFO L130 PetriNetUnfolder]: For 107180/107370 co-relation queries the response was YES. [2021-06-11 19:08:24,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20231 conditions, 2213 events. 138/2213 cut-off events. For 107180/107370 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31000 event pairs, 0 based on Foata normal form. 0/2159 useless extension candidates. Maximal degree in co-relation 20094. Up to 276 conditions per place. [2021-06-11 19:08:24,353 INFO L151 LiptonReduction]: Number of co-enabled transitions 2864 [2021-06-11 19:08:24,381 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:24,381 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:24,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 451 [2021-06-11 19:08:24,381 INFO L480 AbstractCegarLoop]: Abstraction has has 530 places, 408 transitions, 18067 flow [2021-06-11 19:08:24,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:24,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:24,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:24,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-06-11 19:08:24,382 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:24,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:24,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1898114148, now seen corresponding path program 126 times [2021-06-11 19:08:24,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:24,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46990258] [2021-06-11 19:08:24,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:24,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:24,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:24,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:24,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:24,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:24,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:24,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:24,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:24,407 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:08:24,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:08:24,420 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:24,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:24,438 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:24,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:24,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46990258] [2021-06-11 19:08:24,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:24,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:24,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981039009] [2021-06-11 19:08:24,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:24,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:24,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:24,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:24,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:24,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 408 transitions, 18067 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:24,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:24,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:24,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:25,146 INFO L129 PetriNetUnfolder]: 191/2306 cut-off events. [2021-06-11 19:08:25,147 INFO L130 PetriNetUnfolder]: For 112439/113046 co-relation queries the response was YES. [2021-06-11 19:08:25,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21884 conditions, 2306 events. 191/2306 cut-off events. For 112439/113046 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31307 event pairs, 53 based on Foata normal form. 16/2226 useless extension candidates. Maximal degree in co-relation 21746. Up to 417 conditions per place. [2021-06-11 19:08:25,176 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 129 changer transitions 14/412 dead transitions. [2021-06-11 19:08:25,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 412 transitions, 18959 flow [2021-06-11 19:08:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:25,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:25,178 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:25,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:25,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:25,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:25,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:25,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:25,179 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:25,179 INFO L185 Difference]: Start difference. First operand has 530 places, 408 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:25,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 412 transitions, 18959 flow [2021-06-11 19:08:25,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 412 transitions, 18753 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-06-11 19:08:25,901 INFO L241 Difference]: Finished difference. Result has 535 places, 394 transitions, 17230 flow [2021-06-11 19:08:25,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17861, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17230, PETRI_PLACES=535, PETRI_TRANSITIONS=394} [2021-06-11 19:08:25,901 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 497 predicate places. [2021-06-11 19:08:25,901 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:25,902 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 394 transitions, 17230 flow [2021-06-11 19:08:25,902 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 394 transitions, 17230 flow [2021-06-11 19:08:25,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 394 transitions, 17230 flow [2021-06-11 19:08:26,255 INFO L129 PetriNetUnfolder]: 137/2124 cut-off events. [2021-06-11 19:08:26,255 INFO L130 PetriNetUnfolder]: For 98943/99076 co-relation queries the response was YES. [2021-06-11 19:08:26,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18732 conditions, 2124 events. 137/2124 cut-off events. For 98943/99076 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 29586 event pairs, 0 based on Foata normal form. 1/2077 useless extension candidates. Maximal degree in co-relation 18594. Up to 274 conditions per place. [2021-06-11 19:08:26,299 INFO L151 LiptonReduction]: Number of co-enabled transitions 2736 [2021-06-11 19:08:26,324 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:26,325 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:26,325 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 424 [2021-06-11 19:08:26,325 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 394 transitions, 17230 flow [2021-06-11 19:08:26,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:26,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:26,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:26,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-06-11 19:08:26,325 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:26,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:26,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1316046012, now seen corresponding path program 127 times [2021-06-11 19:08:26,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:26,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699437981] [2021-06-11 19:08:26,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:26,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:26,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:26,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:26,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:26,338 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:26,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:26,344 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:08:26,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:08:26,356 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:08:26,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:08:26,370 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:26,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:26,388 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:26,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:26,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:26,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699437981] [2021-06-11 19:08:26,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:26,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:26,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988919526] [2021-06-11 19:08:26,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:26,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:26,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:26,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:26,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:26,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 394 transitions, 17230 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:26,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:26,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:26,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:27,069 INFO L129 PetriNetUnfolder]: 190/2228 cut-off events. [2021-06-11 19:08:27,069 INFO L130 PetriNetUnfolder]: For 103308/103562 co-relation queries the response was YES. [2021-06-11 19:08:27,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20333 conditions, 2228 events. 190/2228 cut-off events. For 103308/103562 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 30120 event pairs, 17 based on Foata normal form. 19/2176 useless extension candidates. Maximal degree in co-relation 20194. Up to 501 conditions per place. [2021-06-11 19:08:27,099 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 243 selfloop transitions, 170 changer transitions 0/427 dead transitions. [2021-06-11 19:08:27,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19363 flow [2021-06-11 19:08:27,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:27,100 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:27,100 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:27,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:27,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:27,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:27,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:27,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:27,101 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:27,101 INFO L185 Difference]: Start difference. First operand has 529 places, 394 transitions, 17230 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:27,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19363 flow [2021-06-11 19:08:27,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 427 transitions, 18888 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-06-11 19:08:27,725 INFO L241 Difference]: Finished difference. Result has 529 places, 408 transitions, 17891 flow [2021-06-11 19:08:27,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16821, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17891, PETRI_PLACES=529, PETRI_TRANSITIONS=408} [2021-06-11 19:08:27,726 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 491 predicate places. [2021-06-11 19:08:27,726 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:27,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 529 places, 408 transitions, 17891 flow [2021-06-11 19:08:27,726 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 529 places, 408 transitions, 17891 flow [2021-06-11 19:08:27,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 408 transitions, 17891 flow [2021-06-11 19:08:28,070 INFO L129 PetriNetUnfolder]: 137/2123 cut-off events. [2021-06-11 19:08:28,071 INFO L130 PetriNetUnfolder]: For 89046/89173 co-relation queries the response was YES. [2021-06-11 19:08:28,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17695 conditions, 2123 events. 137/2123 cut-off events. For 89046/89173 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 29607 event pairs, 0 based on Foata normal form. 1/2076 useless extension candidates. Maximal degree in co-relation 17559. Up to 274 conditions per place. [2021-06-11 19:08:28,113 INFO L151 LiptonReduction]: Number of co-enabled transitions 2774 [2021-06-11 19:08:28,141 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:28,141 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:28,141 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 415 [2021-06-11 19:08:28,141 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 408 transitions, 17891 flow [2021-06-11 19:08:28,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:28,141 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:28,141 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:28,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-06-11 19:08:28,142 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:28,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:28,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1564582166, now seen corresponding path program 128 times [2021-06-11 19:08:28,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:28,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248477336] [2021-06-11 19:08:28,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:28,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:28,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:28,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:28,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:28,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:28,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:28,159 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:08:28,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:08:28,169 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:08:28,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:08:28,182 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:28,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:28,203 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:28,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:28,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248477336] [2021-06-11 19:08:28,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:28,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:28,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888541492] [2021-06-11 19:08:28,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:28,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:28,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:28,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:28,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:28,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 408 transitions, 17891 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:28,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:28,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:28,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:28,851 INFO L129 PetriNetUnfolder]: 190/2227 cut-off events. [2021-06-11 19:08:28,851 INFO L130 PetriNetUnfolder]: For 92409/92640 co-relation queries the response was YES. [2021-06-11 19:08:28,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19318 conditions, 2227 events. 190/2227 cut-off events. For 92409/92640 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 30161 event pairs, 17 based on Foata normal form. 16/2172 useless extension candidates. Maximal degree in co-relation 19181. Up to 501 conditions per place. [2021-06-11 19:08:28,878 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 242 selfloop transitions, 171 changer transitions 0/427 dead transitions. [2021-06-11 19:08:28,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19351 flow [2021-06-11 19:08:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:28,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:28,879 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:28,879 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:28,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:28,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:28,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:28,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:28,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:28,880 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:28,880 INFO L185 Difference]: Start difference. First operand has 529 places, 408 transitions, 17891 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:28,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19351 flow [2021-06-11 19:08:29,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 427 transitions, 18942 flow, removed 75 selfloop flow, removed 3 redundant places. [2021-06-11 19:08:29,443 INFO L241 Difference]: Finished difference. Result has 534 places, 408 transitions, 17827 flow [2021-06-11 19:08:29,443 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17482, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17827, PETRI_PLACES=534, PETRI_TRANSITIONS=408} [2021-06-11 19:08:29,443 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 496 predicate places. [2021-06-11 19:08:29,443 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:29,443 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 534 places, 408 transitions, 17827 flow [2021-06-11 19:08:29,444 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 534 places, 408 transitions, 17827 flow [2021-06-11 19:08:29,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 408 transitions, 17827 flow [2021-06-11 19:08:29,785 INFO L129 PetriNetUnfolder]: 137/2122 cut-off events. [2021-06-11 19:08:29,785 INFO L130 PetriNetUnfolder]: For 87811/87935 co-relation queries the response was YES. [2021-06-11 19:08:29,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17778 conditions, 2122 events. 137/2122 cut-off events. For 87811/87935 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 29554 event pairs, 0 based on Foata normal form. 1/2073 useless extension candidates. Maximal degree in co-relation 17641. Up to 274 conditions per place. [2021-06-11 19:08:29,828 INFO L151 LiptonReduction]: Number of co-enabled transitions 2774 [2021-06-11 19:08:29,855 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:29,856 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:29,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 413 [2021-06-11 19:08:29,856 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 408 transitions, 17827 flow [2021-06-11 19:08:29,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:29,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:29,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:29,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-06-11 19:08:29,856 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:29,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:29,856 INFO L82 PathProgramCache]: Analyzing trace with hash 102568800, now seen corresponding path program 129 times [2021-06-11 19:08:29,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:29,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215003256] [2021-06-11 19:08:29,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:29,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:29,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:29,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:29,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:29,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:29,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:29,874 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:29,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:29,891 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:08:29,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:08:29,905 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:29,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:29,923 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:29,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:29,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:29,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215003256] [2021-06-11 19:08:29,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:29,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:29,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581160524] [2021-06-11 19:08:29,940 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:29,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:29,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:29,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:29,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:29,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 408 transitions, 17827 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:29,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:29,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:29,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:30,656 INFO L129 PetriNetUnfolder]: 221/2581 cut-off events. [2021-06-11 19:08:30,657 INFO L130 PetriNetUnfolder]: For 102195/102426 co-relation queries the response was YES. [2021-06-11 19:08:30,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21615 conditions, 2581 events. 221/2581 cut-off events. For 102195/102426 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 35765 event pairs, 17 based on Foata normal form. 4/2512 useless extension candidates. Maximal degree in co-relation 21477. Up to 470 conditions per place. [2021-06-11 19:08:30,688 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 184 changer transitions 2/500 dead transitions. [2021-06-11 19:08:30,688 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 500 transitions, 22155 flow [2021-06-11 19:08:30,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:30,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:30,689 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:30,689 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:30,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:30,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:30,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:30,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:30,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:30,690 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:30,690 INFO L185 Difference]: Start difference. First operand has 534 places, 408 transitions, 17827 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:30,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 500 transitions, 22155 flow [2021-06-11 19:08:31,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 500 transitions, 21836 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 19:08:31,348 INFO L241 Difference]: Finished difference. Result has 544 places, 438 transitions, 19511 flow [2021-06-11 19:08:31,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17567, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19511, PETRI_PLACES=544, PETRI_TRANSITIONS=438} [2021-06-11 19:08:31,348 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 506 predicate places. [2021-06-11 19:08:31,348 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:31,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 544 places, 438 transitions, 19511 flow [2021-06-11 19:08:31,349 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 544 places, 438 transitions, 19511 flow [2021-06-11 19:08:31,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 438 transitions, 19511 flow [2021-06-11 19:08:31,777 INFO L129 PetriNetUnfolder]: 168/2474 cut-off events. [2021-06-11 19:08:31,777 INFO L130 PetriNetUnfolder]: For 106985/107138 co-relation queries the response was YES. [2021-06-11 19:08:31,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20478 conditions, 2474 events. 168/2474 cut-off events. For 106985/107138 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35192 event pairs, 0 based on Foata normal form. 6/2421 useless extension candidates. Maximal degree in co-relation 20335. Up to 336 conditions per place. [2021-06-11 19:08:31,829 INFO L151 LiptonReduction]: Number of co-enabled transitions 3026 [2021-06-11 19:08:31,860 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:31,861 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:31,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 513 [2021-06-11 19:08:31,861 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 438 transitions, 19511 flow [2021-06-11 19:08:31,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:31,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:31,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:31,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-06-11 19:08:31,861 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:31,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:31,861 INFO L82 PathProgramCache]: Analyzing trace with hash 75720428, now seen corresponding path program 130 times [2021-06-11 19:08:31,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:31,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435361010] [2021-06-11 19:08:31,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:31,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:31,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:31,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:31,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:31,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:31,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:31,881 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:31,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:31,897 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:31,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:31,919 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:31,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:31,938 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:31,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:31,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435361010] [2021-06-11 19:08:31,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:31,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:31,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506761394] [2021-06-11 19:08:31,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:31,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:31,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:31,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:31,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:31,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 438 transitions, 19511 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:31,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:31,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:31,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:32,807 INFO L129 PetriNetUnfolder]: 241/2939 cut-off events. [2021-06-11 19:08:32,807 INFO L130 PetriNetUnfolder]: For 124453/124699 co-relation queries the response was YES. [2021-06-11 19:08:32,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24726 conditions, 2939 events. 241/2939 cut-off events. For 124453/124699 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 42155 event pairs, 14 based on Foata normal form. 4/2858 useless extension candidates. Maximal degree in co-relation 24582. Up to 541 conditions per place. [2021-06-11 19:08:32,845 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 314 selfloop transitions, 213 changer transitions 2/543 dead transitions. [2021-06-11 19:08:32,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 543 transitions, 24518 flow [2021-06-11 19:08:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:32,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:32,847 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:32,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:32,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:32,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:32,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:32,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:32,847 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:32,847 INFO L185 Difference]: Start difference. First operand has 543 places, 438 transitions, 19511 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:32,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 543 transitions, 24518 flow [2021-06-11 19:08:33,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 543 transitions, 24234 flow, removed 87 selfloop flow, removed 3 redundant places. [2021-06-11 19:08:33,732 INFO L241 Difference]: Finished difference. Result has 553 places, 462 transitions, 20981 flow [2021-06-11 19:08:33,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19296, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20981, PETRI_PLACES=553, PETRI_TRANSITIONS=462} [2021-06-11 19:08:33,732 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 515 predicate places. [2021-06-11 19:08:33,732 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:33,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 462 transitions, 20981 flow [2021-06-11 19:08:33,733 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 462 transitions, 20981 flow [2021-06-11 19:08:33,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 462 transitions, 20981 flow [2021-06-11 19:08:34,236 INFO L129 PetriNetUnfolder]: 195/2832 cut-off events. [2021-06-11 19:08:34,236 INFO L130 PetriNetUnfolder]: For 125196/125477 co-relation queries the response was YES. [2021-06-11 19:08:34,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23174 conditions, 2832 events. 195/2832 cut-off events. For 125196/125477 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 41347 event pairs, 0 based on Foata normal form. 7/2767 useless extension candidates. Maximal degree in co-relation 23027. Up to 390 conditions per place. [2021-06-11 19:08:34,298 INFO L151 LiptonReduction]: Number of co-enabled transitions 3248 [2021-06-11 19:08:34,332 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:34,332 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:34,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 600 [2021-06-11 19:08:34,332 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 462 transitions, 20981 flow [2021-06-11 19:08:34,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:34,333 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:34,333 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:34,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-06-11 19:08:34,333 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:34,333 INFO L82 PathProgramCache]: Analyzing trace with hash -827442216, now seen corresponding path program 131 times [2021-06-11 19:08:34,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:34,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584271904] [2021-06-11 19:08:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:34,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:34,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:34,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:34,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:34,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:34,350 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:08:34,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:08:34,360 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:34,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:34,374 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:34,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:34,392 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:34,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:34,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584271904] [2021-06-11 19:08:34,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:34,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:34,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914393440] [2021-06-11 19:08:34,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:34,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:34,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:34,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:34,411 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:34,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 462 transitions, 20981 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:34,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:34,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:34,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:35,358 INFO L129 PetriNetUnfolder]: 240/2934 cut-off events. [2021-06-11 19:08:35,359 INFO L130 PetriNetUnfolder]: For 130891/131145 co-relation queries the response was YES. [2021-06-11 19:08:35,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25213 conditions, 2934 events. 240/2934 cut-off events. For 130891/131145 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42062 event pairs, 15 based on Foata normal form. 19/2861 useless extension candidates. Maximal degree in co-relation 25065. Up to 584 conditions per place. [2021-06-11 19:08:35,398 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 195 changer transitions 0/488 dead transitions. [2021-06-11 19:08:35,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 488 transitions, 22838 flow [2021-06-11 19:08:35,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:35,401 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:35,401 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:35,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:35,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:35,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:35,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:35,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:35,402 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:35,402 INFO L185 Difference]: Start difference. First operand has 552 places, 462 transitions, 20981 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:35,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 488 transitions, 22838 flow [2021-06-11 19:08:36,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 488 transitions, 22682 flow, removed 41 selfloop flow, removed 3 redundant places. [2021-06-11 19:08:36,379 INFO L241 Difference]: Finished difference. Result has 558 places, 463 transitions, 21315 flow [2021-06-11 19:08:36,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20839, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21315, PETRI_PLACES=558, PETRI_TRANSITIONS=463} [2021-06-11 19:08:36,379 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 520 predicate places. [2021-06-11 19:08:36,379 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:36,379 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 558 places, 463 transitions, 21315 flow [2021-06-11 19:08:36,379 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 558 places, 463 transitions, 21315 flow [2021-06-11 19:08:36,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 463 transitions, 21315 flow [2021-06-11 19:08:36,928 INFO L129 PetriNetUnfolder]: 195/2831 cut-off events. [2021-06-11 19:08:36,929 INFO L130 PetriNetUnfolder]: For 126090/126391 co-relation queries the response was YES. [2021-06-11 19:08:36,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23407 conditions, 2831 events. 195/2831 cut-off events. For 126090/126391 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41233 event pairs, 0 based on Foata normal form. 7/2769 useless extension candidates. Maximal degree in co-relation 23260. Up to 390 conditions per place. [2021-06-11 19:08:36,996 INFO L151 LiptonReduction]: Number of co-enabled transitions 3250 [2021-06-11 19:08:37,030 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:37,030 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:37,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 652 [2021-06-11 19:08:37,031 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 463 transitions, 21315 flow [2021-06-11 19:08:37,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:37,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:37,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:37,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-06-11 19:08:37,031 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:37,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:37,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1282858920, now seen corresponding path program 132 times [2021-06-11 19:08:37,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:37,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946298587] [2021-06-11 19:08:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:37,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:37,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:37,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:37,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:37,043 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:37,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:37,050 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:08:37,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:08:37,060 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:37,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:37,078 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:37,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:37,101 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:37,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:37,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946298587] [2021-06-11 19:08:37,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:37,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:37,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042372529] [2021-06-11 19:08:37,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:37,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:37,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:37,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:37,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:37,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 463 transitions, 21315 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:37,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:37,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:37,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:38,033 INFO L129 PetriNetUnfolder]: 240/2933 cut-off events. [2021-06-11 19:08:38,033 INFO L130 PetriNetUnfolder]: For 131469/131823 co-relation queries the response was YES. [2021-06-11 19:08:38,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25460 conditions, 2933 events. 240/2933 cut-off events. For 131469/131823 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42083 event pairs, 15 based on Foata normal form. 19/2855 useless extension candidates. Maximal degree in co-relation 25312. Up to 584 conditions per place. [2021-06-11 19:08:38,072 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 194 changer transitions 0/488 dead transitions. [2021-06-11 19:08:38,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 488 transitions, 23108 flow [2021-06-11 19:08:38,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:38,073 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:38,073 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:38,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:38,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:38,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:38,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:38,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:38,074 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:38,074 INFO L185 Difference]: Start difference. First operand has 558 places, 463 transitions, 21315 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:38,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 488 transitions, 23108 flow [2021-06-11 19:08:38,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 488 transitions, 22721 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-06-11 19:08:39,008 INFO L241 Difference]: Finished difference. Result has 561 places, 463 transitions, 21319 flow [2021-06-11 19:08:39,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20928, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21319, PETRI_PLACES=561, PETRI_TRANSITIONS=463} [2021-06-11 19:08:39,008 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 523 predicate places. [2021-06-11 19:08:39,008 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:39,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 561 places, 463 transitions, 21319 flow [2021-06-11 19:08:39,008 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 561 places, 463 transitions, 21319 flow [2021-06-11 19:08:39,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 561 places, 463 transitions, 21319 flow [2021-06-11 19:08:39,509 INFO L129 PetriNetUnfolder]: 195/2830 cut-off events. [2021-06-11 19:08:39,509 INFO L130 PetriNetUnfolder]: For 128552/128854 co-relation queries the response was YES. [2021-06-11 19:08:39,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23695 conditions, 2830 events. 195/2830 cut-off events. For 128552/128854 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41273 event pairs, 0 based on Foata normal form. 7/2768 useless extension candidates. Maximal degree in co-relation 23547. Up to 390 conditions per place. [2021-06-11 19:08:39,569 INFO L151 LiptonReduction]: Number of co-enabled transitions 3250 [2021-06-11 19:08:39,603 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:39,603 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:39,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 595 [2021-06-11 19:08:39,604 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 463 transitions, 21319 flow [2021-06-11 19:08:39,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:39,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:39,604 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:39,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-06-11 19:08:39,604 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:39,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:39,604 INFO L82 PathProgramCache]: Analyzing trace with hash -766335344, now seen corresponding path program 133 times [2021-06-11 19:08:39,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:39,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758765146] [2021-06-11 19:08:39,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:39,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:39,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:39,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:39,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:39,614 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:39,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:39,621 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:08:39,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:08:39,631 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:39,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:39,645 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:39,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:39,664 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:39,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:39,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758765146] [2021-06-11 19:08:39,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:39,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:39,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399442680] [2021-06-11 19:08:39,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:39,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:39,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:39,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:39,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:39,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 463 transitions, 21319 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:39,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:39,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:39,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:40,632 INFO L129 PetriNetUnfolder]: 240/2932 cut-off events. [2021-06-11 19:08:40,632 INFO L130 PetriNetUnfolder]: For 134094/134438 co-relation queries the response was YES. [2021-06-11 19:08:40,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25746 conditions, 2932 events. 240/2932 cut-off events. For 134094/134438 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42078 event pairs, 15 based on Foata normal form. 16/2851 useless extension candidates. Maximal degree in co-relation 25597. Up to 584 conditions per place. [2021-06-11 19:08:40,673 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 190 changer transitions 0/488 dead transitions. [2021-06-11 19:08:40,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 488 transitions, 23120 flow [2021-06-11 19:08:40,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:40,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:40,674 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:40,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:40,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:40,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:40,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:40,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:40,675 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:40,675 INFO L185 Difference]: Start difference. First operand has 561 places, 463 transitions, 21319 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:40,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 488 transitions, 23120 flow [2021-06-11 19:08:41,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 488 transitions, 22752 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 19:08:41,565 INFO L241 Difference]: Finished difference. Result has 565 places, 466 transitions, 21542 flow [2021-06-11 19:08:41,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20951, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21542, PETRI_PLACES=565, PETRI_TRANSITIONS=466} [2021-06-11 19:08:41,566 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 527 predicate places. [2021-06-11 19:08:41,566 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:41,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 565 places, 466 transitions, 21542 flow [2021-06-11 19:08:41,566 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 565 places, 466 transitions, 21542 flow [2021-06-11 19:08:41,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 466 transitions, 21542 flow [2021-06-11 19:08:42,074 INFO L129 PetriNetUnfolder]: 195/2829 cut-off events. [2021-06-11 19:08:42,074 INFO L130 PetriNetUnfolder]: For 132414/132708 co-relation queries the response was YES. [2021-06-11 19:08:42,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24026 conditions, 2829 events. 195/2829 cut-off events. For 132414/132708 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41248 event pairs, 0 based on Foata normal form. 7/2763 useless extension candidates. Maximal degree in co-relation 23876. Up to 390 conditions per place. [2021-06-11 19:08:42,139 INFO L151 LiptonReduction]: Number of co-enabled transitions 3256 [2021-06-11 19:08:42,174 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:42,174 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:42,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 608 [2021-06-11 19:08:42,175 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 466 transitions, 21542 flow [2021-06-11 19:08:42,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:42,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:42,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:42,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-06-11 19:08:42,175 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:42,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:42,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1503569646, now seen corresponding path program 134 times [2021-06-11 19:08:42,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:42,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938193140] [2021-06-11 19:08:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:42,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:42,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:42,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:42,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:42,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:42,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:42,194 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:08:42,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:08:42,216 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:42,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:42,234 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:42,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:42,251 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:42,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:42,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938193140] [2021-06-11 19:08:42,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:42,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:42,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987644458] [2021-06-11 19:08:42,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:42,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:42,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:42,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:42,276 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:42,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 466 transitions, 21542 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:42,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:42,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:42,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:43,250 INFO L129 PetriNetUnfolder]: 245/2994 cut-off events. [2021-06-11 19:08:43,250 INFO L130 PetriNetUnfolder]: For 141348/141761 co-relation queries the response was YES. [2021-06-11 19:08:43,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26565 conditions, 2994 events. 245/2994 cut-off events. For 141348/141761 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 43081 event pairs, 14 based on Foata normal form. 7/2911 useless extension candidates. Maximal degree in co-relation 26414. Up to 594 conditions per place. [2021-06-11 19:08:43,291 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 322 selfloop transitions, 224 changer transitions 2/562 dead transitions. [2021-06-11 19:08:43,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 562 transitions, 26254 flow [2021-06-11 19:08:43,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:43,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:43,292 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:43,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:43,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:43,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:43,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:43,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:43,293 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:43,293 INFO L185 Difference]: Start difference. First operand has 565 places, 466 transitions, 21542 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:43,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 562 transitions, 26254 flow [2021-06-11 19:08:44,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 562 transitions, 25835 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-06-11 19:08:44,323 INFO L241 Difference]: Finished difference. Result has 574 places, 504 transitions, 23400 flow [2021-06-11 19:08:44,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21189, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23400, PETRI_PLACES=574, PETRI_TRANSITIONS=504} [2021-06-11 19:08:44,323 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 536 predicate places. [2021-06-11 19:08:44,323 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:44,324 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 504 transitions, 23400 flow [2021-06-11 19:08:44,324 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 504 transitions, 23400 flow [2021-06-11 19:08:44,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 504 transitions, 23400 flow [2021-06-11 19:08:44,872 INFO L129 PetriNetUnfolder]: 200/2893 cut-off events. [2021-06-11 19:08:44,872 INFO L130 PetriNetUnfolder]: For 144681/144948 co-relation queries the response was YES. [2021-06-11 19:08:44,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25076 conditions, 2893 events. 200/2893 cut-off events. For 144681/144948 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 42345 event pairs, 0 based on Foata normal form. 9/2829 useless extension candidates. Maximal degree in co-relation 24920. Up to 400 conditions per place. [2021-06-11 19:08:44,935 INFO L151 LiptonReduction]: Number of co-enabled transitions 3446 [2021-06-11 19:08:44,972 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:44,972 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:44,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 649 [2021-06-11 19:08:44,972 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 504 transitions, 23400 flow [2021-06-11 19:08:44,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:44,973 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:44,973 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:44,973 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-06-11 19:08:44,973 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:44,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:44,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1479225812, now seen corresponding path program 135 times [2021-06-11 19:08:44,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:44,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679119570] [2021-06-11 19:08:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:44,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:44,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:44,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:44,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:44,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:44,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:08:44,989 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:44,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:45,005 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:45,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:45,025 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:45,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:45,043 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:45,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:45,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679119570] [2021-06-11 19:08:45,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:45,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:45,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766634973] [2021-06-11 19:08:45,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:45,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:45,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:45,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:45,061 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:45,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 504 transitions, 23400 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:45,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:45,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:45,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:46,084 INFO L129 PetriNetUnfolder]: 248/3035 cut-off events. [2021-06-11 19:08:46,084 INFO L130 PetriNetUnfolder]: For 154245/154591 co-relation queries the response was YES. [2021-06-11 19:08:46,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27591 conditions, 3035 events. 248/3035 cut-off events. For 154245/154591 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43781 event pairs, 17 based on Foata normal form. 16/2968 useless extension candidates. Maximal degree in co-relation 27434. Up to 582 conditions per place. [2021-06-11 19:08:46,127 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 321 selfloop transitions, 251 changer transitions 2/588 dead transitions. [2021-06-11 19:08:46,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 588 transitions, 27646 flow [2021-06-11 19:08:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:46,128 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:46,128 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:46,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:46,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:46,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:46,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:46,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:46,129 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:46,129 INFO L185 Difference]: Start difference. First operand has 573 places, 504 transitions, 23400 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:46,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 588 transitions, 27646 flow [2021-06-11 19:08:47,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 588 transitions, 27399 flow, removed 71 selfloop flow, removed 3 redundant places. [2021-06-11 19:08:47,179 INFO L241 Difference]: Finished difference. Result has 583 places, 532 transitions, 25284 flow [2021-06-11 19:08:47,180 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23195, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25284, PETRI_PLACES=583, PETRI_TRANSITIONS=532} [2021-06-11 19:08:47,180 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 545 predicate places. [2021-06-11 19:08:47,180 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:47,180 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 583 places, 532 transitions, 25284 flow [2021-06-11 19:08:47,180 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 583 places, 532 transitions, 25284 flow [2021-06-11 19:08:47,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 582 places, 532 transitions, 25284 flow [2021-06-11 19:08:47,755 INFO L129 PetriNetUnfolder]: 204/2942 cut-off events. [2021-06-11 19:08:47,755 INFO L130 PetriNetUnfolder]: For 154054/154360 co-relation queries the response was YES. [2021-06-11 19:08:47,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25933 conditions, 2942 events. 204/2942 cut-off events. For 154054/154360 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 43204 event pairs, 0 based on Foata normal form. 8/2881 useless extension candidates. Maximal degree in co-relation 25773. Up to 408 conditions per place. [2021-06-11 19:08:47,820 INFO L151 LiptonReduction]: Number of co-enabled transitions 3686 [2021-06-11 19:08:47,864 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:47,864 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:47,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 684 [2021-06-11 19:08:47,865 INFO L480 AbstractCegarLoop]: Abstraction has has 582 places, 532 transitions, 25284 flow [2021-06-11 19:08:47,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:47,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:47,865 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:47,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-06-11 19:08:47,865 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:47,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:47,865 INFO L82 PathProgramCache]: Analyzing trace with hash -806306608, now seen corresponding path program 136 times [2021-06-11 19:08:47,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:47,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636587208] [2021-06-11 19:08:47,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:47,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:47,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:47,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:47,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:47,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:47,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:47,881 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:08:47,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:08:47,891 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:47,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:47,903 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:47,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:47,926 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:47,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:47,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636587208] [2021-06-11 19:08:47,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:47,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:47,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820634118] [2021-06-11 19:08:47,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:47,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:47,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:47,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:47,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:47,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 532 transitions, 25284 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:47,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:47,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:47,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:48,995 INFO L129 PetriNetUnfolder]: 247/3025 cut-off events. [2021-06-11 19:08:48,995 INFO L130 PetriNetUnfolder]: For 161258/161592 co-relation queries the response was YES. [2021-06-11 19:08:49,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28108 conditions, 3025 events. 247/3025 cut-off events. For 161258/161592 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 43640 event pairs, 28 based on Foata normal form. 34/2982 useless extension candidates. Maximal degree in co-relation 27947. Up to 592 conditions per place. [2021-06-11 19:08:49,038 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 217 changer transitions 0/550 dead transitions. [2021-06-11 19:08:49,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 550 transitions, 26935 flow [2021-06-11 19:08:49,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:49,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:49,039 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:49,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:49,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:49,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:49,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:49,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:49,039 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:49,039 INFO L185 Difference]: Start difference. First operand has 582 places, 532 transitions, 25284 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:49,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 550 transitions, 26935 flow [2021-06-11 19:08:50,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 550 transitions, 26601 flow, removed 71 selfloop flow, removed 4 redundant places. [2021-06-11 19:08:50,159 INFO L241 Difference]: Finished difference. Result has 586 places, 532 transitions, 25395 flow [2021-06-11 19:08:50,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=24958, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25395, PETRI_PLACES=586, PETRI_TRANSITIONS=532} [2021-06-11 19:08:50,159 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 548 predicate places. [2021-06-11 19:08:50,160 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:50,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 532 transitions, 25395 flow [2021-06-11 19:08:50,160 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 532 transitions, 25395 flow [2021-06-11 19:08:50,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 532 transitions, 25395 flow [2021-06-11 19:08:50,730 INFO L129 PetriNetUnfolder]: 204/2941 cut-off events. [2021-06-11 19:08:50,730 INFO L130 PetriNetUnfolder]: For 153070/153376 co-relation queries the response was YES. [2021-06-11 19:08:50,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26097 conditions, 2941 events. 204/2941 cut-off events. For 153070/153376 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43254 event pairs, 0 based on Foata normal form. 8/2878 useless extension candidates. Maximal degree in co-relation 25939. Up to 408 conditions per place. [2021-06-11 19:08:50,794 INFO L151 LiptonReduction]: Number of co-enabled transitions 3686 [2021-06-11 19:08:50,838 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:50,838 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:50,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 678 [2021-06-11 19:08:50,838 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 532 transitions, 25395 flow [2021-06-11 19:08:50,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:50,839 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:50,839 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:50,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-06-11 19:08:50,839 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:50,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:50,839 INFO L82 PathProgramCache]: Analyzing trace with hash -2079182480, now seen corresponding path program 137 times [2021-06-11 19:08:50,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:50,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472709482] [2021-06-11 19:08:50,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:50,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:50,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:50,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:50,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:50,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:50,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:50,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:50,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:50,865 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:08:50,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:08:50,887 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:50,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:50,904 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:50,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:50,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472709482] [2021-06-11 19:08:50,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:50,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:50,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186835157] [2021-06-11 19:08:50,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:50,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:50,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:50,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:50,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:50,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 532 transitions, 25395 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:50,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:50,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:50,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:52,019 INFO L129 PetriNetUnfolder]: 247/3038 cut-off events. [2021-06-11 19:08:52,019 INFO L130 PetriNetUnfolder]: For 159797/160011 co-relation queries the response was YES. [2021-06-11 19:08:52,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28285 conditions, 3038 events. 247/3038 cut-off events. For 159797/160011 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 43933 event pairs, 17 based on Foata normal form. 23/2989 useless extension candidates. Maximal degree in co-relation 28126. Up to 592 conditions per place. [2021-06-11 19:08:52,060 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 331 selfloop transitions, 205 changer transitions 0/550 dead transitions. [2021-06-11 19:08:52,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 550 transitions, 27046 flow [2021-06-11 19:08:52,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:52,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:52,061 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:52,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:52,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:52,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:52,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:52,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:52,062 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:52,062 INFO L185 Difference]: Start difference. First operand has 586 places, 532 transitions, 25395 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:52,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 550 transitions, 27046 flow [2021-06-11 19:08:53,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 550 transitions, 26628 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 19:08:53,195 INFO L241 Difference]: Finished difference. Result has 590 places, 533 transitions, 25467 flow [2021-06-11 19:08:53,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=24977, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25467, PETRI_PLACES=590, PETRI_TRANSITIONS=533} [2021-06-11 19:08:53,195 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 552 predicate places. [2021-06-11 19:08:53,195 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:53,195 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 533 transitions, 25467 flow [2021-06-11 19:08:53,196 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 533 transitions, 25467 flow [2021-06-11 19:08:53,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 590 places, 533 transitions, 25467 flow [2021-06-11 19:08:53,760 INFO L129 PetriNetUnfolder]: 204/2940 cut-off events. [2021-06-11 19:08:53,760 INFO L130 PetriNetUnfolder]: For 157343/157689 co-relation queries the response was YES. [2021-06-11 19:08:53,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26397 conditions, 2940 events. 204/2940 cut-off events. For 157343/157689 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 43246 event pairs, 0 based on Foata normal form. 11/2886 useless extension candidates. Maximal degree in co-relation 26237. Up to 408 conditions per place. [2021-06-11 19:08:53,830 INFO L151 LiptonReduction]: Number of co-enabled transitions 3688 [2021-06-11 19:08:53,874 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:53,874 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:53,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 679 [2021-06-11 19:08:53,874 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 533 transitions, 25467 flow [2021-06-11 19:08:53,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:53,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:53,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:53,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-06-11 19:08:53,874 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:53,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:53,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1032176724, now seen corresponding path program 138 times [2021-06-11 19:08:53,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:53,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082900014] [2021-06-11 19:08:53,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:53,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:53,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:53,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:53,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:53,885 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:53,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:53,895 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:08:53,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:08:53,910 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:08:53,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:08:53,930 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:53,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:53,948 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:53,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:53,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082900014] [2021-06-11 19:08:53,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:53,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:53,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344128003] [2021-06-11 19:08:53,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:53,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:53,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:53,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:53,966 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:53,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 533 transitions, 25467 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:53,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:53,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:53,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:55,145 INFO L129 PetriNetUnfolder]: 266/3307 cut-off events. [2021-06-11 19:08:55,145 INFO L130 PetriNetUnfolder]: For 177102/177354 co-relation queries the response was YES. [2021-06-11 19:08:55,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30863 conditions, 3307 events. 266/3307 cut-off events. For 177102/177354 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48607 event pairs, 17 based on Foata normal form. 17/3242 useless extension candidates. Maximal degree in co-relation 30702. Up to 615 conditions per place. [2021-06-11 19:08:55,201 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 338 selfloop transitions, 268 changer transitions 2/622 dead transitions. [2021-06-11 19:08:55,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 622 transitions, 30258 flow [2021-06-11 19:08:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:55,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:55,202 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:55,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:55,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:55,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:55,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:55,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:55,203 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:55,203 INFO L185 Difference]: Start difference. First operand has 590 places, 533 transitions, 25467 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:55,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 622 transitions, 30258 flow [2021-06-11 19:08:56,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 622 transitions, 29775 flow, removed 49 selfloop flow, removed 4 redundant places. [2021-06-11 19:08:56,548 INFO L241 Difference]: Finished difference. Result has 599 places, 562 transitions, 27264 flow [2021-06-11 19:08:56,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25072, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27264, PETRI_PLACES=599, PETRI_TRANSITIONS=562} [2021-06-11 19:08:56,549 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 561 predicate places. [2021-06-11 19:08:56,549 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:08:56,549 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 599 places, 562 transitions, 27264 flow [2021-06-11 19:08:56,549 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 599 places, 562 transitions, 27264 flow [2021-06-11 19:08:56,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 598 places, 562 transitions, 27264 flow [2021-06-11 19:08:57,227 INFO L129 PetriNetUnfolder]: 223/3205 cut-off events. [2021-06-11 19:08:57,227 INFO L130 PetriNetUnfolder]: For 181491/181895 co-relation queries the response was YES. [2021-06-11 19:08:57,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29202 conditions, 3205 events. 223/3205 cut-off events. For 181491/181895 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47851 event pairs, 0 based on Foata normal form. 9/3134 useless extension candidates. Maximal degree in co-relation 29036. Up to 446 conditions per place. [2021-06-11 19:08:57,301 INFO L151 LiptonReduction]: Number of co-enabled transitions 3956 [2021-06-11 19:08:57,347 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:08:57,348 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:08:57,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 799 [2021-06-11 19:08:57,348 INFO L480 AbstractCegarLoop]: Abstraction has has 598 places, 562 transitions, 27264 flow [2021-06-11 19:08:57,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:57,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:08:57,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:08:57,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-06-11 19:08:57,348 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:08:57,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:08:57,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1771496192, now seen corresponding path program 139 times [2021-06-11 19:08:57,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:08:57,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292816597] [2021-06-11 19:08:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:08:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:08:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:08:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:08:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:08:57,361 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:08:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:08:57,367 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:08:57,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:08:57,377 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:08:57,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:08:57,399 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:08:57,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:08:57,418 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:08:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:08:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:08:57,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292816597] [2021-06-11 19:08:57,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:08:57,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:08:57,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042452073] [2021-06-11 19:08:57,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:08:57,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:08:57,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:08:57,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:08:57,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:08:57,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 562 transitions, 27264 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:57,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:08:57,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:08:57,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:08:58,657 INFO L129 PetriNetUnfolder]: 265/3299 cut-off events. [2021-06-11 19:08:58,657 INFO L130 PetriNetUnfolder]: For 190484/190959 co-relation queries the response was YES. [2021-06-11 19:08:58,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31562 conditions, 3299 events. 265/3299 cut-off events. For 190484/190959 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48556 event pairs, 18 based on Foata normal form. 24/3221 useless extension candidates. Maximal degree in co-relation 31395. Up to 610 conditions per place. [2021-06-11 19:08:58,706 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 220 changer transitions 0/579 dead transitions. [2021-06-11 19:08:58,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 579 transitions, 28952 flow [2021-06-11 19:08:58,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:08:58,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:08:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:08:58,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:08:58,707 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:08:58,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:08:58,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:08:58,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:08:58,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:58,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:58,708 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:08:58,708 INFO L185 Difference]: Start difference. First operand has 598 places, 562 transitions, 27264 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:08:58,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 579 transitions, 28952 flow [2021-06-11 19:09:00,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 579 transitions, 28743 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-06-11 19:09:00,057 INFO L241 Difference]: Finished difference. Result has 603 places, 562 transitions, 27508 flow [2021-06-11 19:09:00,057 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27065, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27508, PETRI_PLACES=603, PETRI_TRANSITIONS=562} [2021-06-11 19:09:00,058 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 565 predicate places. [2021-06-11 19:09:00,058 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:00,058 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 562 transitions, 27508 flow [2021-06-11 19:09:00,058 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 562 transitions, 27508 flow [2021-06-11 19:09:00,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 562 transitions, 27508 flow [2021-06-11 19:09:00,786 INFO L129 PetriNetUnfolder]: 223/3204 cut-off events. [2021-06-11 19:09:00,786 INFO L130 PetriNetUnfolder]: For 182079/182594 co-relation queries the response was YES. [2021-06-11 19:09:00,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29441 conditions, 3204 events. 223/3204 cut-off events. For 182079/182594 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 47875 event pairs, 0 based on Foata normal form. 9/3129 useless extension candidates. Maximal degree in co-relation 29276. Up to 446 conditions per place. [2021-06-11 19:09:00,855 INFO L151 LiptonReduction]: Number of co-enabled transitions 3956 [2021-06-11 19:09:00,900 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:00,900 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:00,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 842 [2021-06-11 19:09:00,900 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 562 transitions, 27508 flow [2021-06-11 19:09:00,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:00,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:00,901 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:00,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-06-11 19:09:00,901 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:00,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:00,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1230006316, now seen corresponding path program 140 times [2021-06-11 19:09:00,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:00,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081021331] [2021-06-11 19:09:00,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:00,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:00,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:00,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:00,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:00,911 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:00,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:00,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:00,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:00,927 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:09:00,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:09:00,941 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:00,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:00,959 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:00,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:00,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081021331] [2021-06-11 19:09:00,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:00,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:00,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744949363] [2021-06-11 19:09:00,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:00,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:00,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:00,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:00,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:00,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 562 transitions, 27508 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:00,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:00,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:00,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:02,188 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-06-11 19:09:02,188 INFO L130 PetriNetUnfolder]: For 190841/191338 co-relation queries the response was YES. [2021-06-11 19:09:02,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31810 conditions, 3298 events. 265/3298 cut-off events. For 190841/191338 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48546 event pairs, 18 based on Foata normal form. 31/3227 useless extension candidates. Maximal degree in co-relation 31644. Up to 610 conditions per place. [2021-06-11 19:09:02,240 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-06-11 19:09:02,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 579 transitions, 29194 flow [2021-06-11 19:09:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:02,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:02,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:02,241 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:02,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:02,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:02,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:02,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:02,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:02,242 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:02,242 INFO L185 Difference]: Start difference. First operand has 603 places, 562 transitions, 27508 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:02,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 579 transitions, 29194 flow [2021-06-11 19:09:03,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 579 transitions, 28673 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-06-11 19:09:03,639 INFO L241 Difference]: Finished difference. Result has 604 places, 562 transitions, 27416 flow [2021-06-11 19:09:03,640 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=26987, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27416, PETRI_PLACES=604, PETRI_TRANSITIONS=562} [2021-06-11 19:09:03,640 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 566 predicate places. [2021-06-11 19:09:03,640 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:03,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 604 places, 562 transitions, 27416 flow [2021-06-11 19:09:03,640 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 604 places, 562 transitions, 27416 flow [2021-06-11 19:09:03,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 604 places, 562 transitions, 27416 flow [2021-06-11 19:09:04,324 INFO L129 PetriNetUnfolder]: 223/3203 cut-off events. [2021-06-11 19:09:04,324 INFO L130 PetriNetUnfolder]: For 186462/186950 co-relation queries the response was YES. [2021-06-11 19:09:04,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29663 conditions, 3203 events. 223/3203 cut-off events. For 186462/186950 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47831 event pairs, 0 based on Foata normal form. 8/3131 useless extension candidates. Maximal degree in co-relation 29497. Up to 446 conditions per place. [2021-06-11 19:09:04,398 INFO L151 LiptonReduction]: Number of co-enabled transitions 3956 [2021-06-11 19:09:04,446 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:04,446 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:04,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 806 [2021-06-11 19:09:04,446 INFO L480 AbstractCegarLoop]: Abstraction has has 604 places, 562 transitions, 27416 flow [2021-06-11 19:09:04,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:04,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:04,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:04,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-06-11 19:09:04,447 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:04,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:04,447 INFO L82 PathProgramCache]: Analyzing trace with hash 271654616, now seen corresponding path program 141 times [2021-06-11 19:09:04,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:04,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938785422] [2021-06-11 19:09:04,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:04,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:04,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:04,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:04,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:04,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:04,463 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:04,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:04,473 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:09:04,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:09:04,486 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:04,505 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:04,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:04,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938785422] [2021-06-11 19:09:04,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:04,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:04,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610930253] [2021-06-11 19:09:04,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:04,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:04,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:04,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:04,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:04,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 562 transitions, 27416 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:04,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:04,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:04,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:05,732 INFO L129 PetriNetUnfolder]: 265/3297 cut-off events. [2021-06-11 19:09:05,733 INFO L130 PetriNetUnfolder]: For 195461/195958 co-relation queries the response was YES. [2021-06-11 19:09:05,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32030 conditions, 3297 events. 265/3297 cut-off events. For 195461/195958 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48510 event pairs, 18 based on Foata normal form. 31/3226 useless extension candidates. Maximal degree in co-relation 31863. Up to 610 conditions per place. [2021-06-11 19:09:05,785 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-06-11 19:09:05,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 579 transitions, 29110 flow [2021-06-11 19:09:05,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:05,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:05,786 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:05,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:05,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:05,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:05,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:05,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:05,787 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:05,787 INFO L185 Difference]: Start difference. First operand has 604 places, 562 transitions, 27416 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:05,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 579 transitions, 29110 flow [2021-06-11 19:09:07,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 579 transitions, 28799 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 19:09:07,206 INFO L241 Difference]: Finished difference. Result has 610 places, 564 transitions, 27679 flow [2021-06-11 19:09:07,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27105, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27679, PETRI_PLACES=610, PETRI_TRANSITIONS=564} [2021-06-11 19:09:07,206 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 572 predicate places. [2021-06-11 19:09:07,206 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:07,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 564 transitions, 27679 flow [2021-06-11 19:09:07,206 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 564 transitions, 27679 flow [2021-06-11 19:09:07,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 564 transitions, 27679 flow [2021-06-11 19:09:07,885 INFO L129 PetriNetUnfolder]: 223/3202 cut-off events. [2021-06-11 19:09:07,885 INFO L130 PetriNetUnfolder]: For 193304/193766 co-relation queries the response was YES. [2021-06-11 19:09:07,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30178 conditions, 3202 events. 223/3202 cut-off events. For 193304/193766 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 47784 event pairs, 0 based on Foata normal form. 8/3131 useless extension candidates. Maximal degree in co-relation 30010. Up to 446 conditions per place. [2021-06-11 19:09:07,961 INFO L151 LiptonReduction]: Number of co-enabled transitions 3960 [2021-06-11 19:09:08,008 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:08,008 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:08,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 803 [2021-06-11 19:09:08,009 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 564 transitions, 27679 flow [2021-06-11 19:09:08,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:08,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:08,009 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:08,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-06-11 19:09:08,009 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:08,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:08,009 INFO L82 PathProgramCache]: Analyzing trace with hash 405570734, now seen corresponding path program 142 times [2021-06-11 19:09:08,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:08,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894691319] [2021-06-11 19:09:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:08,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:08,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:08,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:08,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:08,020 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:08,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:08,026 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:08,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:08,036 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:09:08,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:09:08,050 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:09:08,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:09:08,068 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:08,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:08,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894691319] [2021-06-11 19:09:08,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:08,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:08,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596740025] [2021-06-11 19:09:08,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:08,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:08,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:08,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:08,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:08,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 564 transitions, 27679 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:08,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:08,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:08,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:09,356 INFO L129 PetriNetUnfolder]: 265/3284 cut-off events. [2021-06-11 19:09:09,356 INFO L130 PetriNetUnfolder]: For 203099/203574 co-relation queries the response was YES. [2021-06-11 19:09:09,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32531 conditions, 3284 events. 265/3284 cut-off events. For 203099/203574 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 48186 event pairs, 30 based on Foata normal form. 24/3205 useless extension candidates. Maximal degree in co-relation 32362. Up to 610 conditions per place. [2021-06-11 19:09:09,404 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 214 changer transitions 0/579 dead transitions. [2021-06-11 19:09:09,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 579 transitions, 29285 flow [2021-06-11 19:09:09,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:09,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:09,405 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:09,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:09,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:09,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:09,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:09,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:09,406 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:09,406 INFO L185 Difference]: Start difference. First operand has 610 places, 564 transitions, 27679 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:09,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 579 transitions, 29285 flow [2021-06-11 19:09:10,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 579 transitions, 28900 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-06-11 19:09:10,857 INFO L241 Difference]: Finished difference. Result has 614 places, 564 transitions, 27725 flow [2021-06-11 19:09:10,858 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27294, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27725, PETRI_PLACES=614, PETRI_TRANSITIONS=564} [2021-06-11 19:09:10,858 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 576 predicate places. [2021-06-11 19:09:10,858 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:10,858 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 614 places, 564 transitions, 27725 flow [2021-06-11 19:09:10,858 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 614 places, 564 transitions, 27725 flow [2021-06-11 19:09:10,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 614 places, 564 transitions, 27725 flow [2021-06-11 19:09:11,523 INFO L129 PetriNetUnfolder]: 223/3201 cut-off events. [2021-06-11 19:09:11,523 INFO L130 PetriNetUnfolder]: For 197836/198403 co-relation queries the response was YES. [2021-06-11 19:09:11,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30509 conditions, 3201 events. 223/3201 cut-off events. For 197836/198403 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 47821 event pairs, 0 based on Foata normal form. 8/3130 useless extension candidates. Maximal degree in co-relation 30340. Up to 446 conditions per place. [2021-06-11 19:09:11,595 INFO L151 LiptonReduction]: Number of co-enabled transitions 3960 [2021-06-11 19:09:11,644 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:11,644 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:11,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 786 [2021-06-11 19:09:11,644 INFO L480 AbstractCegarLoop]: Abstraction has has 614 places, 564 transitions, 27725 flow [2021-06-11 19:09:11,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:11,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:11,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:11,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-06-11 19:09:11,645 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:11,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:11,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1131673878, now seen corresponding path program 143 times [2021-06-11 19:09:11,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:11,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568281193] [2021-06-11 19:09:11,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:11,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:11,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:11,655 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:11,667 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:09:11,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:09:11,686 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:11,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:11,705 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:09:11,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:09:11,723 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:11,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:11,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568281193] [2021-06-11 19:09:11,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:11,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:11,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126691534] [2021-06-11 19:09:11,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:11,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:11,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:11,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:11,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:11,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 564 transitions, 27725 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:11,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:11,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:11,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:13,023 INFO L129 PetriNetUnfolder]: 266/3324 cut-off events. [2021-06-11 19:09:13,023 INFO L130 PetriNetUnfolder]: For 208545/209020 co-relation queries the response was YES. [2021-06-11 19:09:13,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33067 conditions, 3324 events. 266/3324 cut-off events. For 208545/209020 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 49074 event pairs, 15 based on Foata normal form. 21/3246 useless extension candidates. Maximal degree in co-relation 32897. Up to 642 conditions per place. [2021-06-11 19:09:13,066 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 317 selfloop transitions, 290 changer transitions 2/623 dead transitions. [2021-06-11 19:09:13,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 623 transitions, 31236 flow [2021-06-11 19:09:13,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:13,067 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:13,067 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:13,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:13,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:13,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:13,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:13,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:13,068 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:13,068 INFO L185 Difference]: Start difference. First operand has 614 places, 564 transitions, 27725 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:13,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 623 transitions, 31236 flow [2021-06-11 19:09:14,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 623 transitions, 30832 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:09:14,328 INFO L241 Difference]: Finished difference. Result has 623 places, 578 transitions, 28963 flow [2021-06-11 19:09:14,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27360, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28963, PETRI_PLACES=623, PETRI_TRANSITIONS=578} [2021-06-11 19:09:14,328 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 585 predicate places. [2021-06-11 19:09:14,328 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:14,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 623 places, 578 transitions, 28963 flow [2021-06-11 19:09:14,329 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 623 places, 578 transitions, 28963 flow [2021-06-11 19:09:14,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 578 transitions, 28963 flow [2021-06-11 19:09:15,007 INFO L129 PetriNetUnfolder]: 225/3224 cut-off events. [2021-06-11 19:09:15,007 INFO L130 PetriNetUnfolder]: For 213266/213691 co-relation queries the response was YES. [2021-06-11 19:09:15,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31374 conditions, 3224 events. 225/3224 cut-off events. For 213266/213691 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48162 event pairs, 0 based on Foata normal form. 11/3160 useless extension candidates. Maximal degree in co-relation 31199. Up to 450 conditions per place. [2021-06-11 19:09:15,083 INFO L151 LiptonReduction]: Number of co-enabled transitions 4068 [2021-06-11 19:09:15,134 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:15,134 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:15,135 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 807 [2021-06-11 19:09:15,135 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 578 transitions, 28963 flow [2021-06-11 19:09:15,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:15,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:15,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:15,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-06-11 19:09:15,135 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:15,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:15,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1557411738, now seen corresponding path program 144 times [2021-06-11 19:09:15,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:15,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154370098] [2021-06-11 19:09:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:15,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:15,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:15,153 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:15,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:15,166 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:09:15,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:09:15,177 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:09:15,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:09:15,190 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:09:15,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:09:15,208 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:15,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:15,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154370098] [2021-06-11 19:09:15,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:15,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:15,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211185055] [2021-06-11 19:09:15,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:15,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:15,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:15,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:15,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:15,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 578 transitions, 28963 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:15,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:15,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:15,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:16,507 INFO L129 PetriNetUnfolder]: 265/3314 cut-off events. [2021-06-11 19:09:16,507 INFO L130 PetriNetUnfolder]: For 223042/223548 co-relation queries the response was YES. [2021-06-11 19:09:16,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33716 conditions, 3314 events. 265/3314 cut-off events. For 223042/223548 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48816 event pairs, 16 based on Foata normal form. 32/3252 useless extension candidates. Maximal degree in co-relation 33540. Up to 642 conditions per place. [2021-06-11 19:09:16,556 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 256 changer transitions 0/613 dead transitions. [2021-06-11 19:09:16,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 613 transitions, 31487 flow [2021-06-11 19:09:16,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:16,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:16,557 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:16,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:16,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:16,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:16,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:16,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:16,558 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:16,558 INFO L185 Difference]: Start difference. First operand has 622 places, 578 transitions, 28963 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:16,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 613 transitions, 31487 flow [2021-06-11 19:09:18,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 613 transitions, 31118 flow, removed 57 selfloop flow, removed 5 redundant places. [2021-06-11 19:09:18,143 INFO L241 Difference]: Finished difference. Result has 627 places, 589 transitions, 29679 flow [2021-06-11 19:09:18,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28616, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29679, PETRI_PLACES=627, PETRI_TRANSITIONS=589} [2021-06-11 19:09:18,143 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 589 predicate places. [2021-06-11 19:09:18,144 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:18,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 589 transitions, 29679 flow [2021-06-11 19:09:18,144 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 589 transitions, 29679 flow [2021-06-11 19:09:18,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 627 places, 589 transitions, 29679 flow [2021-06-11 19:09:18,847 INFO L129 PetriNetUnfolder]: 225/3223 cut-off events. [2021-06-11 19:09:18,847 INFO L130 PetriNetUnfolder]: For 216023/216511 co-relation queries the response was YES. [2021-06-11 19:09:18,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31510 conditions, 3223 events. 225/3223 cut-off events. For 216023/216511 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48088 event pairs, 0 based on Foata normal form. 10/3160 useless extension candidates. Maximal degree in co-relation 31334. Up to 450 conditions per place. [2021-06-11 19:09:18,925 INFO L151 LiptonReduction]: Number of co-enabled transitions 4116 [2021-06-11 19:09:18,978 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:18,978 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:18,978 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 834 [2021-06-11 19:09:18,979 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 589 transitions, 29679 flow [2021-06-11 19:09:18,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:18,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:18,979 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:18,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-06-11 19:09:18,979 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:18,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:18,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1054613808, now seen corresponding path program 145 times [2021-06-11 19:09:18,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:18,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035059834] [2021-06-11 19:09:18,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:18,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:18,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:18,989 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:18,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:19,001 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:09:19,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:09:19,014 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:09:19,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:09:19,029 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:19,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:19,047 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:19,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:19,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035059834] [2021-06-11 19:09:19,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:19,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:19,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985375659] [2021-06-11 19:09:19,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:19,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:19,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:19,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:19,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:19,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 589 transitions, 29679 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:19,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:19,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:19,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:20,401 INFO L129 PetriNetUnfolder]: 265/3313 cut-off events. [2021-06-11 19:09:20,401 INFO L130 PetriNetUnfolder]: For 225851/226364 co-relation queries the response was YES. [2021-06-11 19:09:20,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33854 conditions, 3313 events. 265/3313 cut-off events. For 225851/226364 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48844 event pairs, 16 based on Foata normal form. 34/3245 useless extension candidates. Maximal degree in co-relation 33677. Up to 642 conditions per place. [2021-06-11 19:09:20,454 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 253 changer transitions 0/613 dead transitions. [2021-06-11 19:09:20,454 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 613 transitions, 31766 flow [2021-06-11 19:09:20,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:20,455 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:20,455 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:20,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:20,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:20,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:20,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:20,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:20,456 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:20,456 INFO L185 Difference]: Start difference. First operand has 627 places, 589 transitions, 29679 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:20,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 613 transitions, 31766 flow [2021-06-11 19:09:22,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 613 transitions, 31350 flow, removed 24 selfloop flow, removed 2 redundant places. [2021-06-11 19:09:22,037 INFO L241 Difference]: Finished difference. Result has 635 places, 594 transitions, 30040 flow [2021-06-11 19:09:22,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29263, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30040, PETRI_PLACES=635, PETRI_TRANSITIONS=594} [2021-06-11 19:09:22,037 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-06-11 19:09:22,037 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:22,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 594 transitions, 30040 flow [2021-06-11 19:09:22,038 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 594 transitions, 30040 flow [2021-06-11 19:09:22,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 594 transitions, 30040 flow [2021-06-11 19:09:22,734 INFO L129 PetriNetUnfolder]: 225/3222 cut-off events. [2021-06-11 19:09:22,734 INFO L130 PetriNetUnfolder]: For 222872/223477 co-relation queries the response was YES. [2021-06-11 19:09:22,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31976 conditions, 3222 events. 225/3222 cut-off events. For 222872/223477 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48170 event pairs, 0 based on Foata normal form. 10/3158 useless extension candidates. Maximal degree in co-relation 31797. Up to 450 conditions per place. [2021-06-11 19:09:22,810 INFO L151 LiptonReduction]: Number of co-enabled transitions 4172 [2021-06-11 19:09:22,864 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:22,865 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:22,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 828 [2021-06-11 19:09:22,865 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 594 transitions, 30040 flow [2021-06-11 19:09:22,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:22,865 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:22,865 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:22,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-06-11 19:09:22,865 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:22,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:22,865 INFO L82 PathProgramCache]: Analyzing trace with hash 997720932, now seen corresponding path program 146 times [2021-06-11 19:09:22,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:22,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59010082] [2021-06-11 19:09:22,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:22,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:22,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:22,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:22,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:22,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:22,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:22,882 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:22,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:22,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:09:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:09:22,905 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:22,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:22,923 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:22,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:22,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59010082] [2021-06-11 19:09:22,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:22,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:22,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526578930] [2021-06-11 19:09:22,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:22,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:22,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:22,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:22,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:22,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 594 transitions, 30040 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:22,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:22,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:22,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:24,273 INFO L129 PetriNetUnfolder]: 265/3312 cut-off events. [2021-06-11 19:09:24,273 INFO L130 PetriNetUnfolder]: For 232411/232900 co-relation queries the response was YES. [2021-06-11 19:09:24,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34324 conditions, 3312 events. 265/3312 cut-off events. For 232411/232900 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48762 event pairs, 16 based on Foata normal form. 26/3234 useless extension candidates. Maximal degree in co-relation 34144. Up to 611 conditions per place. [2021-06-11 19:09:24,324 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 357 selfloop transitions, 236 changer transitions 0/607 dead transitions. [2021-06-11 19:09:24,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 607 transitions, 31668 flow [2021-06-11 19:09:24,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:24,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:24,325 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:24,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:24,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:24,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:24,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:24,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:24,326 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:24,326 INFO L185 Difference]: Start difference. First operand has 635 places, 594 transitions, 30040 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:24,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 607 transitions, 31668 flow [2021-06-11 19:09:25,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 607 transitions, 31137 flow, removed 32 selfloop flow, removed 3 redundant places. [2021-06-11 19:09:25,896 INFO L241 Difference]: Finished difference. Result has 640 places, 594 transitions, 29984 flow [2021-06-11 19:09:25,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29509, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29984, PETRI_PLACES=640, PETRI_TRANSITIONS=594} [2021-06-11 19:09:25,897 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 602 predicate places. [2021-06-11 19:09:25,897 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:25,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 594 transitions, 29984 flow [2021-06-11 19:09:25,897 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 594 transitions, 29984 flow [2021-06-11 19:09:25,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 594 transitions, 29984 flow [2021-06-11 19:09:26,609 INFO L129 PetriNetUnfolder]: 225/3221 cut-off events. [2021-06-11 19:09:26,610 INFO L130 PetriNetUnfolder]: For 227598/228101 co-relation queries the response was YES. [2021-06-11 19:09:26,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32295 conditions, 3221 events. 225/3221 cut-off events. For 227598/228101 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48209 event pairs, 0 based on Foata normal form. 11/3159 useless extension candidates. Maximal degree in co-relation 32115. Up to 450 conditions per place. [2021-06-11 19:09:26,694 INFO L151 LiptonReduction]: Number of co-enabled transitions 4172 [2021-06-11 19:09:26,749 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:26,749 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:26,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 852 [2021-06-11 19:09:26,750 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 594 transitions, 29984 flow [2021-06-11 19:09:26,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:26,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:26,750 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:26,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-06-11 19:09:26,750 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:26,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:26,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1881379822, now seen corresponding path program 147 times [2021-06-11 19:09:26,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:26,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703789560] [2021-06-11 19:09:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:26,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:26,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:26,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:26,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:26,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:26,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:26,770 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:26,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:26,811 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:09:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:09:26,826 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:09:26,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:09:26,846 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:26,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:26,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703789560] [2021-06-11 19:09:26,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:26,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:26,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95602990] [2021-06-11 19:09:26,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:26,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:26,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:26,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:26,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:26,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 594 transitions, 29984 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:26,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:26,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:26,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:28,188 INFO L129 PetriNetUnfolder]: 265/3311 cut-off events. [2021-06-11 19:09:28,188 INFO L130 PetriNetUnfolder]: For 237528/238017 co-relation queries the response was YES. [2021-06-11 19:09:28,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34635 conditions, 3311 events. 265/3311 cut-off events. For 237528/238017 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48821 event pairs, 16 based on Foata normal form. 26/3233 useless extension candidates. Maximal degree in co-relation 34454. Up to 611 conditions per place. [2021-06-11 19:09:28,240 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 247 changer transitions 0/607 dead transitions. [2021-06-11 19:09:28,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 607 transitions, 31620 flow [2021-06-11 19:09:28,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:28,241 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:28,241 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:28,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:28,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:28,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:28,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:28,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:28,242 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:28,242 INFO L185 Difference]: Start difference. First operand has 640 places, 594 transitions, 29984 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:28,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 607 transitions, 31620 flow [2021-06-11 19:09:29,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 607 transitions, 31169 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 19:09:29,811 INFO L241 Difference]: Finished difference. Result has 643 places, 594 transitions, 30030 flow [2021-06-11 19:09:29,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29533, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30030, PETRI_PLACES=643, PETRI_TRANSITIONS=594} [2021-06-11 19:09:29,812 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 605 predicate places. [2021-06-11 19:09:29,812 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:29,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 594 transitions, 30030 flow [2021-06-11 19:09:29,812 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 594 transitions, 30030 flow [2021-06-11 19:09:29,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 594 transitions, 30030 flow [2021-06-11 19:09:30,539 INFO L129 PetriNetUnfolder]: 225/3220 cut-off events. [2021-06-11 19:09:30,540 INFO L130 PetriNetUnfolder]: For 234059/234573 co-relation queries the response was YES. [2021-06-11 19:09:30,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32606 conditions, 3220 events. 225/3220 cut-off events. For 234059/234573 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48123 event pairs, 0 based on Foata normal form. 10/3157 useless extension candidates. Maximal degree in co-relation 32425. Up to 450 conditions per place. [2021-06-11 19:09:30,618 INFO L151 LiptonReduction]: Number of co-enabled transitions 4172 [2021-06-11 19:09:30,668 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:30,668 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:30,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 856 [2021-06-11 19:09:30,669 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 594 transitions, 30030 flow [2021-06-11 19:09:30,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:30,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:30,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:30,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-06-11 19:09:30,669 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:30,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:30,669 INFO L82 PathProgramCache]: Analyzing trace with hash -789112250, now seen corresponding path program 148 times [2021-06-11 19:09:30,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:30,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186607204] [2021-06-11 19:09:30,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:30,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:30,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:30,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:30,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:30,680 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:30,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:30,692 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:09:30,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:09:30,706 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:30,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:30,726 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:09:30,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:09:30,744 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:30,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:30,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186607204] [2021-06-11 19:09:30,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:30,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:30,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757539610] [2021-06-11 19:09:30,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:30,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:30,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:30,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:30,762 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:30,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 594 transitions, 30030 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:30,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:30,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:30,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:32,074 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-06-11 19:09:32,075 INFO L130 PetriNetUnfolder]: For 244857/245370 co-relation queries the response was YES. [2021-06-11 19:09:32,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34932 conditions, 3298 events. 265/3298 cut-off events. For 244857/245370 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48472 event pairs, 20 based on Foata normal form. 29/3224 useless extension candidates. Maximal degree in co-relation 34750. Up to 642 conditions per place. [2021-06-11 19:09:32,126 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 334 selfloop transitions, 280 changer transitions 2/630 dead transitions. [2021-06-11 19:09:32,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 630 transitions, 32693 flow [2021-06-11 19:09:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:32,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:32,127 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:32,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:32,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:32,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:32,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:32,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:32,128 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:32,128 INFO L185 Difference]: Start difference. First operand has 643 places, 594 transitions, 30030 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:32,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 630 transitions, 32693 flow [2021-06-11 19:09:33,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 630 transitions, 32269 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:09:33,678 INFO L241 Difference]: Finished difference. Result has 651 places, 601 transitions, 30657 flow [2021-06-11 19:09:33,678 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29623, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30657, PETRI_PLACES=651, PETRI_TRANSITIONS=601} [2021-06-11 19:09:33,678 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 613 predicate places. [2021-06-11 19:09:33,679 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:33,679 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 601 transitions, 30657 flow [2021-06-11 19:09:33,679 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 601 transitions, 30657 flow [2021-06-11 19:09:33,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 650 places, 601 transitions, 30657 flow [2021-06-11 19:09:34,432 INFO L129 PetriNetUnfolder]: 224/3210 cut-off events. [2021-06-11 19:09:34,432 INFO L130 PetriNetUnfolder]: For 245267/245800 co-relation queries the response was YES. [2021-06-11 19:09:34,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33050 conditions, 3210 events. 224/3210 cut-off events. For 245267/245800 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47954 event pairs, 0 based on Foata normal form. 8/3145 useless extension candidates. Maximal degree in co-relation 32864. Up to 448 conditions per place. [2021-06-11 19:09:34,511 INFO L151 LiptonReduction]: Number of co-enabled transitions 4220 [2021-06-11 19:09:34,562 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:34,562 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:34,563 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 884 [2021-06-11 19:09:34,563 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 601 transitions, 30657 flow [2021-06-11 19:09:34,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:34,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:34,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:34,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-06-11 19:09:34,563 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:34,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:34,563 INFO L82 PathProgramCache]: Analyzing trace with hash 550977936, now seen corresponding path program 149 times [2021-06-11 19:09:34,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:34,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130560779] [2021-06-11 19:09:34,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:34,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:34,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:34,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:34,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:34,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:34,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:34,579 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:34,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:34,588 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:09:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:09:34,609 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:34,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:34,630 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:34,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:34,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130560779] [2021-06-11 19:09:34,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:34,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:34,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38172172] [2021-06-11 19:09:34,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:34,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:34,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:34,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:34,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:34,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 601 transitions, 30657 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:34,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:34,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:34,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:35,993 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-06-11 19:09:35,993 INFO L130 PetriNetUnfolder]: For 256916/257429 co-relation queries the response was YES. [2021-06-11 19:09:36,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35386 conditions, 3288 events. 264/3288 cut-off events. For 256916/257429 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 48293 event pairs, 28 based on Foata normal form. 35/3219 useless extension candidates. Maximal degree in co-relation 35199. Up to 611 conditions per place. [2021-06-11 19:09:36,048 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-06-11 19:09:36,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 614 transitions, 32325 flow [2021-06-11 19:09:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:36,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:36,049 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:36,049 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:36,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:36,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:36,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:36,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:36,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:36,049 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:36,049 INFO L185 Difference]: Start difference. First operand has 650 places, 601 transitions, 30657 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:36,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 614 transitions, 32325 flow [2021-06-11 19:09:37,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 614 transitions, 31833 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-06-11 19:09:37,977 INFO L241 Difference]: Finished difference. Result has 654 places, 602 transitions, 30822 flow [2021-06-11 19:09:37,977 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30175, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30822, PETRI_PLACES=654, PETRI_TRANSITIONS=602} [2021-06-11 19:09:37,977 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 616 predicate places. [2021-06-11 19:09:37,978 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:37,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 602 transitions, 30822 flow [2021-06-11 19:09:37,978 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 602 transitions, 30822 flow [2021-06-11 19:09:38,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 602 transitions, 30822 flow [2021-06-11 19:09:38,794 INFO L129 PetriNetUnfolder]: 224/3209 cut-off events. [2021-06-11 19:09:38,794 INFO L130 PetriNetUnfolder]: For 244915/245524 co-relation queries the response was YES. [2021-06-11 19:09:38,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33101 conditions, 3209 events. 224/3209 cut-off events. For 244915/245524 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47897 event pairs, 0 based on Foata normal form. 7/3142 useless extension candidates. Maximal degree in co-relation 32915. Up to 448 conditions per place. [2021-06-11 19:09:38,872 INFO L151 LiptonReduction]: Number of co-enabled transitions 4222 [2021-06-11 19:09:38,923 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:38,923 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:38,923 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 945 [2021-06-11 19:09:38,923 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 602 transitions, 30822 flow [2021-06-11 19:09:38,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:38,923 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:38,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:38,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-06-11 19:09:38,923 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:38,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:38,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1610121208, now seen corresponding path program 150 times [2021-06-11 19:09:38,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:38,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536751217] [2021-06-11 19:09:38,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:38,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:38,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:38,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:38,934 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:38,940 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:38,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:38,950 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:09:38,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:09:38,963 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:38,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:38,983 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:38,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:39,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536751217] [2021-06-11 19:09:39,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:39,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:39,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328700477] [2021-06-11 19:09:39,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:39,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:39,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:39,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:39,002 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:39,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 602 transitions, 30822 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:39,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:39,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:39,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:40,345 INFO L129 PetriNetUnfolder]: 264/3299 cut-off events. [2021-06-11 19:09:40,345 INFO L130 PetriNetUnfolder]: For 255531/256044 co-relation queries the response was YES. [2021-06-11 19:09:40,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35445 conditions, 3299 events. 264/3299 cut-off events. For 255531/256044 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48517 event pairs, 16 based on Foata normal form. 35/3231 useless extension candidates. Maximal degree in co-relation 35258. Up to 611 conditions per place. [2021-06-11 19:09:40,397 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-06-11 19:09:40,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 614 transitions, 32430 flow [2021-06-11 19:09:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:40,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:40,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:40,398 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:40,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:40,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:40,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:40,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:40,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:40,399 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:40,399 INFO L185 Difference]: Start difference. First operand has 654 places, 602 transitions, 30822 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:40,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 614 transitions, 32430 flow [2021-06-11 19:09:42,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 614 transitions, 31984 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-06-11 19:09:42,098 INFO L241 Difference]: Finished difference. Result has 658 places, 602 transitions, 30889 flow [2021-06-11 19:09:42,098 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30376, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30889, PETRI_PLACES=658, PETRI_TRANSITIONS=602} [2021-06-11 19:09:42,099 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-06-11 19:09:42,099 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:42,099 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 602 transitions, 30889 flow [2021-06-11 19:09:42,099 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 602 transitions, 30889 flow [2021-06-11 19:09:42,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 602 transitions, 30889 flow [2021-06-11 19:09:42,887 INFO L129 PetriNetUnfolder]: 224/3208 cut-off events. [2021-06-11 19:09:42,887 INFO L130 PetriNetUnfolder]: For 250621/251213 co-relation queries the response was YES. [2021-06-11 19:09:42,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33423 conditions, 3208 events. 224/3208 cut-off events. For 250621/251213 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47912 event pairs, 0 based on Foata normal form. 9/3143 useless extension candidates. Maximal degree in co-relation 33236. Up to 448 conditions per place. [2021-06-11 19:09:42,962 INFO L151 LiptonReduction]: Number of co-enabled transitions 4222 [2021-06-11 19:09:43,014 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:43,014 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:43,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 915 [2021-06-11 19:09:43,014 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 602 transitions, 30889 flow [2021-06-11 19:09:43,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:43,014 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:43,014 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:43,014 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-06-11 19:09:43,015 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:43,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:43,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1987246676, now seen corresponding path program 151 times [2021-06-11 19:09:43,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:43,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939821157] [2021-06-11 19:09:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:43,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:43,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:43,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:43,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:43,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:43,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:43,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:43,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:43,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:09:43,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:09:43,054 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:43,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:43,072 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:43,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:43,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939821157] [2021-06-11 19:09:43,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:43,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:43,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336487270] [2021-06-11 19:09:43,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:43,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:43,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:43,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:43,090 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:43,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 602 transitions, 30889 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:43,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:43,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:43,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:44,444 INFO L129 PetriNetUnfolder]: 264/3298 cut-off events. [2021-06-11 19:09:44,444 INFO L130 PetriNetUnfolder]: For 261565/262076 co-relation queries the response was YES. [2021-06-11 19:09:44,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35765 conditions, 3298 events. 264/3298 cut-off events. For 261565/262076 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48496 event pairs, 16 based on Foata normal form. 35/3230 useless extension candidates. Maximal degree in co-relation 35577. Up to 611 conditions per place. [2021-06-11 19:09:44,497 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-06-11 19:09:44,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 614 transitions, 32505 flow [2021-06-11 19:09:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:44,498 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:44,498 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:44,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:44,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:44,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:44,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:44,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:44,499 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:44,499 INFO L185 Difference]: Start difference. First operand has 658 places, 602 transitions, 30889 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:44,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 614 transitions, 32505 flow [2021-06-11 19:09:46,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 614 transitions, 32180 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 19:09:46,288 INFO L241 Difference]: Finished difference. Result has 663 places, 602 transitions, 31069 flow [2021-06-11 19:09:46,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30564, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31069, PETRI_PLACES=663, PETRI_TRANSITIONS=602} [2021-06-11 19:09:46,289 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-06-11 19:09:46,289 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:46,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 602 transitions, 31069 flow [2021-06-11 19:09:46,289 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 602 transitions, 31069 flow [2021-06-11 19:09:46,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 602 transitions, 31069 flow [2021-06-11 19:09:47,103 INFO L129 PetriNetUnfolder]: 224/3207 cut-off events. [2021-06-11 19:09:47,103 INFO L130 PetriNetUnfolder]: For 258714/259275 co-relation queries the response was YES. [2021-06-11 19:09:47,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33888 conditions, 3207 events. 224/3207 cut-off events. For 258714/259275 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47847 event pairs, 0 based on Foata normal form. 8/3142 useless extension candidates. Maximal degree in co-relation 33700. Up to 448 conditions per place. [2021-06-11 19:09:47,177 INFO L151 LiptonReduction]: Number of co-enabled transitions 4222 [2021-06-11 19:09:47,228 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:47,228 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:47,229 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 940 [2021-06-11 19:09:47,229 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 602 transitions, 31069 flow [2021-06-11 19:09:47,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:47,229 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:47,229 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:47,229 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-06-11 19:09:47,229 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:47,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:47,229 INFO L82 PathProgramCache]: Analyzing trace with hash -152298350, now seen corresponding path program 152 times [2021-06-11 19:09:47,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:47,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003446764] [2021-06-11 19:09:47,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:47,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:47,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:47,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:47,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:47,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:47,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:47,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:47,257 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:09:47,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:09:47,281 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:09:47,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:09:47,299 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:47,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:47,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003446764] [2021-06-11 19:09:47,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:47,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:47,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775357171] [2021-06-11 19:09:47,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:47,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:47,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:47,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:47,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:47,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 602 transitions, 31069 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:47,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:47,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:47,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:48,680 INFO L129 PetriNetUnfolder]: 264/3297 cut-off events. [2021-06-11 19:09:48,680 INFO L130 PetriNetUnfolder]: For 269954/270441 co-relation queries the response was YES. [2021-06-11 19:09:48,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36228 conditions, 3297 events. 264/3297 cut-off events. For 269954/270441 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48500 event pairs, 16 based on Foata normal form. 26/3220 useless extension candidates. Maximal degree in co-relation 36039. Up to 611 conditions per place. [2021-06-11 19:09:48,734 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-06-11 19:09:48,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 614 transitions, 32693 flow [2021-06-11 19:09:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:48,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:48,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:48,735 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:48,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:48,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:48,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:48,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:48,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:48,736 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:48,736 INFO L185 Difference]: Start difference. First operand has 663 places, 602 transitions, 31069 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:48,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 614 transitions, 32693 flow [2021-06-11 19:09:50,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 614 transitions, 32209 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 19:09:50,576 INFO L241 Difference]: Finished difference. Result has 666 places, 602 transitions, 31090 flow [2021-06-11 19:09:50,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30585, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31090, PETRI_PLACES=666, PETRI_TRANSITIONS=602} [2021-06-11 19:09:50,576 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 628 predicate places. [2021-06-11 19:09:50,576 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:50,576 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 602 transitions, 31090 flow [2021-06-11 19:09:50,576 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 602 transitions, 31090 flow [2021-06-11 19:09:50,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 666 places, 602 transitions, 31090 flow [2021-06-11 19:09:51,405 INFO L129 PetriNetUnfolder]: 224/3206 cut-off events. [2021-06-11 19:09:51,405 INFO L130 PetriNetUnfolder]: For 266039/266645 co-relation queries the response was YES. [2021-06-11 19:09:51,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34193 conditions, 3206 events. 224/3206 cut-off events. For 266039/266645 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47874 event pairs, 0 based on Foata normal form. 8/3139 useless extension candidates. Maximal degree in co-relation 34004. Up to 448 conditions per place. [2021-06-11 19:09:51,478 INFO L151 LiptonReduction]: Number of co-enabled transitions 4222 [2021-06-11 19:09:51,530 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:51,530 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:51,530 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 954 [2021-06-11 19:09:51,530 INFO L480 AbstractCegarLoop]: Abstraction has has 666 places, 602 transitions, 31090 flow [2021-06-11 19:09:51,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:51,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:51,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:51,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-06-11 19:09:51,530 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:51,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:51,531 INFO L82 PathProgramCache]: Analyzing trace with hash -822436972, now seen corresponding path program 153 times [2021-06-11 19:09:51,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:51,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127221249] [2021-06-11 19:09:51,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:51,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:51,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:51,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:51,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:51,540 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:09:51,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:09:51,547 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:51,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:51,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:09:51,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:09:51,569 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:09:51,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:09:51,587 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:51,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127221249] [2021-06-11 19:09:51,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:51,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:51,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236897095] [2021-06-11 19:09:51,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:51,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:51,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:51,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:51,605 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:51,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 602 transitions, 31090 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:51,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:51,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:51,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:52,974 INFO L129 PetriNetUnfolder]: 264/3296 cut-off events. [2021-06-11 19:09:52,974 INFO L130 PetriNetUnfolder]: For 277429/277916 co-relation queries the response was YES. [2021-06-11 19:09:53,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36531 conditions, 3296 events. 264/3296 cut-off events. For 277429/277916 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48494 event pairs, 16 based on Foata normal form. 26/3219 useless extension candidates. Maximal degree in co-relation 36341. Up to 611 conditions per place. [2021-06-11 19:09:53,031 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 235 changer transitions 0/614 dead transitions. [2021-06-11 19:09:53,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 614 transitions, 32722 flow [2021-06-11 19:09:53,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:53,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:53,032 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:53,032 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:53,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:53,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:53,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:53,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:53,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:53,033 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:53,033 INFO L185 Difference]: Start difference. First operand has 666 places, 602 transitions, 31090 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:53,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 614 transitions, 32722 flow [2021-06-11 19:09:54,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 614 transitions, 32238 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 19:09:54,835 INFO L241 Difference]: Finished difference. Result has 670 places, 604 transitions, 31245 flow [2021-06-11 19:09:54,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30606, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31245, PETRI_PLACES=670, PETRI_TRANSITIONS=604} [2021-06-11 19:09:54,835 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 632 predicate places. [2021-06-11 19:09:54,836 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:54,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 604 transitions, 31245 flow [2021-06-11 19:09:54,836 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 604 transitions, 31245 flow [2021-06-11 19:09:54,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 670 places, 604 transitions, 31245 flow [2021-06-11 19:09:55,666 INFO L129 PetriNetUnfolder]: 224/3205 cut-off events. [2021-06-11 19:09:55,666 INFO L130 PetriNetUnfolder]: For 275978/276636 co-relation queries the response was YES. [2021-06-11 19:09:55,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34601 conditions, 3205 events. 224/3205 cut-off events. For 275978/276636 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47907 event pairs, 0 based on Foata normal form. 7/3137 useless extension candidates. Maximal degree in co-relation 34410. Up to 448 conditions per place. [2021-06-11 19:09:55,740 INFO L151 LiptonReduction]: Number of co-enabled transitions 4226 [2021-06-11 19:09:55,791 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:09:55,792 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:09:55,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 956 [2021-06-11 19:09:55,792 INFO L480 AbstractCegarLoop]: Abstraction has has 670 places, 604 transitions, 31245 flow [2021-06-11 19:09:55,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:55,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:09:55,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:09:55,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-06-11 19:09:55,792 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:09:55,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:09:55,792 INFO L82 PathProgramCache]: Analyzing trace with hash 843741566, now seen corresponding path program 154 times [2021-06-11 19:09:55,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:09:55,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044849383] [2021-06-11 19:09:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:09:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:09:55,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:55,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:09:55,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:09:55,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:09:55,805 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:09:55,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:09:55,817 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:09:55,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:09:55,828 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:09:55,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:09:55,842 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:09:55,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:09:55,861 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:09:55,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:09:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:09:55,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044849383] [2021-06-11 19:09:55,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:09:55,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:09:55,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644480427] [2021-06-11 19:09:55,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:09:55,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:09:55,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:09:55,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:09:55,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:09:55,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 604 transitions, 31245 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:55,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:09:55,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:09:55,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:09:57,259 INFO L129 PetriNetUnfolder]: 264/3295 cut-off events. [2021-06-11 19:09:57,260 INFO L130 PetriNetUnfolder]: For 288453/289069 co-relation queries the response was YES. [2021-06-11 19:09:57,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36937 conditions, 3295 events. 264/3295 cut-off events. For 288453/289069 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48428 event pairs, 17 based on Foata normal form. 38/3233 useless extension candidates. Maximal degree in co-relation 36745. Up to 642 conditions per place. [2021-06-11 19:09:57,313 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 254 changer transitions 0/619 dead transitions. [2021-06-11 19:09:57,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 619 transitions, 33001 flow [2021-06-11 19:09:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:09:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:09:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:09:57,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:09:57,314 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:09:57,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:09:57,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:09:57,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:09:57,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:57,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:57,314 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:09:57,314 INFO L185 Difference]: Start difference. First operand has 670 places, 604 transitions, 31245 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:09:57,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 619 transitions, 33001 flow [2021-06-11 19:09:59,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 619 transitions, 32619 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-06-11 19:09:59,374 INFO L241 Difference]: Finished difference. Result has 675 places, 604 transitions, 31394 flow [2021-06-11 19:09:59,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30883, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31394, PETRI_PLACES=675, PETRI_TRANSITIONS=604} [2021-06-11 19:09:59,375 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-06-11 19:09:59,375 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:09:59,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 604 transitions, 31394 flow [2021-06-11 19:09:59,375 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 604 transitions, 31394 flow [2021-06-11 19:09:59,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 675 places, 604 transitions, 31394 flow [2021-06-11 19:10:00,185 INFO L129 PetriNetUnfolder]: 224/3204 cut-off events. [2021-06-11 19:10:00,185 INFO L130 PetriNetUnfolder]: For 281093/281667 co-relation queries the response was YES. [2021-06-11 19:10:00,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34861 conditions, 3204 events. 224/3204 cut-off events. For 281093/281667 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47793 event pairs, 0 based on Foata normal form. 10/3142 useless extension candidates. Maximal degree in co-relation 34669. Up to 448 conditions per place. [2021-06-11 19:10:00,264 INFO L151 LiptonReduction]: Number of co-enabled transitions 4226 [2021-06-11 19:10:00,316 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:00,316 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:00,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 941 [2021-06-11 19:10:00,316 INFO L480 AbstractCegarLoop]: Abstraction has has 675 places, 604 transitions, 31394 flow [2021-06-11 19:10:00,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:00,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:00,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:00,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-06-11 19:10:00,316 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:00,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:00,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1887388230, now seen corresponding path program 155 times [2021-06-11 19:10:00,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:00,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884302741] [2021-06-11 19:10:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:00,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:00,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:00,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:00,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:00,326 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:10:00,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:10:00,333 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:00,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:00,342 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:00,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:00,357 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:00,375 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:00,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:00,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884302741] [2021-06-11 19:10:00,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:00,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:00,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754461829] [2021-06-11 19:10:00,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:00,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:00,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:00,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:00,393 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:00,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 604 transitions, 31394 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:00,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:00,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:00,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:01,768 INFO L129 PetriNetUnfolder]: 264/3294 cut-off events. [2021-06-11 19:10:01,769 INFO L130 PetriNetUnfolder]: For 293610/294231 co-relation queries the response was YES. [2021-06-11 19:10:01,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37201 conditions, 3294 events. 264/3294 cut-off events. For 293610/294231 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48419 event pairs, 16 based on Foata normal form. 38/3230 useless extension candidates. Maximal degree in co-relation 37008. Up to 611 conditions per place. [2021-06-11 19:10:01,822 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-06-11 19:10:01,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 614 transitions, 32946 flow [2021-06-11 19:10:01,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:01,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:01,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:01,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:01,823 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:01,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:01,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:01,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:01,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:01,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:01,823 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:01,824 INFO L185 Difference]: Start difference. First operand has 675 places, 604 transitions, 31394 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:01,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 614 transitions, 32946 flow [2021-06-11 19:10:03,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 614 transitions, 32457 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:10:03,972 INFO L241 Difference]: Finished difference. Result has 679 places, 604 transitions, 31384 flow [2021-06-11 19:10:03,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30905, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31384, PETRI_PLACES=679, PETRI_TRANSITIONS=604} [2021-06-11 19:10:03,973 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 641 predicate places. [2021-06-11 19:10:03,973 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:03,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 604 transitions, 31384 flow [2021-06-11 19:10:03,973 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 604 transitions, 31384 flow [2021-06-11 19:10:03,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 679 places, 604 transitions, 31384 flow [2021-06-11 19:10:04,798 INFO L129 PetriNetUnfolder]: 224/3203 cut-off events. [2021-06-11 19:10:04,798 INFO L130 PetriNetUnfolder]: For 288713/289301 co-relation queries the response was YES. [2021-06-11 19:10:04,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35196 conditions, 3203 events. 224/3203 cut-off events. For 288713/289301 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47833 event pairs, 0 based on Foata normal form. 8/3138 useless extension candidates. Maximal degree in co-relation 35003. Up to 448 conditions per place. [2021-06-11 19:10:04,880 INFO L151 LiptonReduction]: Number of co-enabled transitions 4226 [2021-06-11 19:10:04,932 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:04,932 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:04,932 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 959 [2021-06-11 19:10:04,933 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 604 transitions, 31384 flow [2021-06-11 19:10:04,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:04,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:04,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:04,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-06-11 19:10:04,933 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:04,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:04,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1533206484, now seen corresponding path program 156 times [2021-06-11 19:10:04,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:04,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566301801] [2021-06-11 19:10:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:04,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:04,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:04,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:04,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:04,947 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:10:04,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:10:04,953 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:04,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:04,963 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:04,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:04,978 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:04,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:05,002 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:05,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:05,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566301801] [2021-06-11 19:10:05,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:05,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:05,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846228121] [2021-06-11 19:10:05,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:05,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:05,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:05,021 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:05,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 604 transitions, 31384 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:05,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:05,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:05,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:06,466 INFO L129 PetriNetUnfolder]: 264/3293 cut-off events. [2021-06-11 19:10:06,466 INFO L130 PetriNetUnfolder]: For 301179/301772 co-relation queries the response was YES. [2021-06-11 19:10:06,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37528 conditions, 3293 events. 264/3293 cut-off events. For 301179/301772 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48394 event pairs, 16 based on Foata normal form. 29/3227 useless extension candidates. Maximal degree in co-relation 37334. Up to 611 conditions per place. [2021-06-11 19:10:06,524 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-06-11 19:10:06,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 614 transitions, 32944 flow [2021-06-11 19:10:06,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:06,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:06,527 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:06,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:06,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:06,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:06,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:06,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:06,528 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:06,528 INFO L185 Difference]: Start difference. First operand has 679 places, 604 transitions, 31384 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:06,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 686 places, 614 transitions, 32944 flow [2021-06-11 19:10:08,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 614 transitions, 32553 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:10:08,826 INFO L241 Difference]: Finished difference. Result has 683 places, 604 transitions, 31472 flow [2021-06-11 19:10:08,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30993, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31472, PETRI_PLACES=683, PETRI_TRANSITIONS=604} [2021-06-11 19:10:08,826 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 645 predicate places. [2021-06-11 19:10:08,826 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:08,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 683 places, 604 transitions, 31472 flow [2021-06-11 19:10:08,826 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 683 places, 604 transitions, 31472 flow [2021-06-11 19:10:08,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 683 places, 604 transitions, 31472 flow [2021-06-11 19:10:09,665 INFO L129 PetriNetUnfolder]: 224/3202 cut-off events. [2021-06-11 19:10:09,665 INFO L130 PetriNetUnfolder]: For 297270/297949 co-relation queries the response was YES. [2021-06-11 19:10:09,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35577 conditions, 3202 events. 224/3202 cut-off events. For 297270/297949 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47757 event pairs, 0 based on Foata normal form. 10/3139 useless extension candidates. Maximal degree in co-relation 35383. Up to 448 conditions per place. [2021-06-11 19:10:09,753 INFO L151 LiptonReduction]: Number of co-enabled transitions 4226 [2021-06-11 19:10:09,808 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:09,808 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:09,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 982 [2021-06-11 19:10:09,808 INFO L480 AbstractCegarLoop]: Abstraction has has 683 places, 604 transitions, 31472 flow [2021-06-11 19:10:09,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:09,808 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:09,808 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:09,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-06-11 19:10:09,809 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:09,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:09,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1640453678, now seen corresponding path program 157 times [2021-06-11 19:10:09,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:09,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351437526] [2021-06-11 19:10:09,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:09,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:09,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:09,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:09,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:09,820 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:09,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:09,832 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:10:09,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:10:09,860 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:09,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:09,873 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:09,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:09,892 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:09,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:09,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351437526] [2021-06-11 19:10:09,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:09,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:09,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71665123] [2021-06-11 19:10:09,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:09,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:09,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:09,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:09,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:09,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 604 transitions, 31472 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:09,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:09,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:09,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:11,330 INFO L129 PetriNetUnfolder]: 264/3292 cut-off events. [2021-06-11 19:10:11,331 INFO L130 PetriNetUnfolder]: For 310018/310613 co-relation queries the response was YES. [2021-06-11 19:10:11,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37907 conditions, 3292 events. 264/3292 cut-off events. For 310018/310613 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48431 event pairs, 16 based on Foata normal form. 33/3225 useless extension candidates. Maximal degree in co-relation 37712. Up to 642 conditions per place. [2021-06-11 19:10:11,387 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 262 changer transitions 0/619 dead transitions. [2021-06-11 19:10:11,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 619 transitions, 33241 flow [2021-06-11 19:10:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:11,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:11,388 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:11,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:11,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:11,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:11,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:11,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:11,389 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:11,389 INFO L185 Difference]: Start difference. First operand has 683 places, 604 transitions, 31472 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:11,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 619 transitions, 33241 flow [2021-06-11 19:10:13,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 619 transitions, 32916 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 19:10:13,524 INFO L241 Difference]: Finished difference. Result has 689 places, 605 transitions, 31752 flow [2021-06-11 19:10:13,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31147, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31752, PETRI_PLACES=689, PETRI_TRANSITIONS=605} [2021-06-11 19:10:13,525 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-06-11 19:10:13,525 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:13,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 605 transitions, 31752 flow [2021-06-11 19:10:13,525 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 605 transitions, 31752 flow [2021-06-11 19:10:13,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 605 transitions, 31752 flow [2021-06-11 19:10:14,385 INFO L129 PetriNetUnfolder]: 224/3201 cut-off events. [2021-06-11 19:10:14,385 INFO L130 PetriNetUnfolder]: For 307424/307967 co-relation queries the response was YES. [2021-06-11 19:10:14,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36030 conditions, 3201 events. 224/3201 cut-off events. For 307424/307967 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47772 event pairs, 0 based on Foata normal form. 8/3134 useless extension candidates. Maximal degree in co-relation 35834. Up to 448 conditions per place. [2021-06-11 19:10:14,471 INFO L151 LiptonReduction]: Number of co-enabled transitions 4240 [2021-06-11 19:10:14,524 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:14,525 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:14,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1000 [2021-06-11 19:10:14,525 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 605 transitions, 31752 flow [2021-06-11 19:10:14,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:14,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:14,525 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:14,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-06-11 19:10:14,525 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:14,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:14,525 INFO L82 PathProgramCache]: Analyzing trace with hash 731374018, now seen corresponding path program 158 times [2021-06-11 19:10:14,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:14,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814167097] [2021-06-11 19:10:14,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:14,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:14,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:14,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:14,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:14,536 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:14,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:14,549 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:10:14,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:10:14,559 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:14,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:14,574 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:14,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:14,595 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:14,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:14,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:14,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814167097] [2021-06-11 19:10:14,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:14,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:14,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584310147] [2021-06-11 19:10:14,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:14,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:14,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:14,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:14,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:14,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 605 transitions, 31752 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:14,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:14,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:14,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:16,146 INFO L129 PetriNetUnfolder]: 264/3279 cut-off events. [2021-06-11 19:10:16,146 INFO L130 PetriNetUnfolder]: For 321233/321852 co-relation queries the response was YES. [2021-06-11 19:10:16,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38352 conditions, 3279 events. 264/3279 cut-off events. For 321233/321852 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 48171 event pairs, 21 based on Foata normal form. 38/3216 useless extension candidates. Maximal degree in co-relation 38155. Up to 642 conditions per place. [2021-06-11 19:10:16,206 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 258 changer transitions 0/619 dead transitions. [2021-06-11 19:10:16,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 619 transitions, 33474 flow [2021-06-11 19:10:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:16,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:16,207 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:16,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:16,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:16,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:16,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:16,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:16,210 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:16,210 INFO L185 Difference]: Start difference. First operand has 689 places, 605 transitions, 31752 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:16,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 619 transitions, 33474 flow [2021-06-11 19:10:18,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 619 transitions, 32960 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-06-11 19:10:18,368 INFO L241 Difference]: Finished difference. Result has 694 places, 607 transitions, 31872 flow [2021-06-11 19:10:18,369 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31238, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31872, PETRI_PLACES=694, PETRI_TRANSITIONS=607} [2021-06-11 19:10:18,369 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 656 predicate places. [2021-06-11 19:10:18,369 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:18,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 694 places, 607 transitions, 31872 flow [2021-06-11 19:10:18,369 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 694 places, 607 transitions, 31872 flow [2021-06-11 19:10:18,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 694 places, 607 transitions, 31872 flow [2021-06-11 19:10:19,182 INFO L129 PetriNetUnfolder]: 224/3200 cut-off events. [2021-06-11 19:10:19,182 INFO L130 PetriNetUnfolder]: For 316602/317167 co-relation queries the response was YES. [2021-06-11 19:10:19,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36357 conditions, 3200 events. 224/3200 cut-off events. For 316602/317167 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47732 event pairs, 0 based on Foata normal form. 10/3136 useless extension candidates. Maximal degree in co-relation 36159. Up to 448 conditions per place. [2021-06-11 19:10:19,266 INFO L151 LiptonReduction]: Number of co-enabled transitions 4268 [2021-06-11 19:10:19,319 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:19,319 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:19,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-06-11 19:10:19,319 INFO L480 AbstractCegarLoop]: Abstraction has has 694 places, 607 transitions, 31872 flow [2021-06-11 19:10:19,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:19,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:19,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:19,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-06-11 19:10:19,320 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:19,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2138594276, now seen corresponding path program 159 times [2021-06-11 19:10:19,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:19,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259026467] [2021-06-11 19:10:19,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:19,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:19,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:19,330 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:10:19,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:10:19,336 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:19,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:19,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:10:19,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:10:19,359 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:19,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:19,379 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:19,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:19,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259026467] [2021-06-11 19:10:19,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:19,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:19,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047132035] [2021-06-11 19:10:19,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:19,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:19,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:19,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:19,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:19,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 607 transitions, 31872 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:19,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:19,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:19,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:20,833 INFO L129 PetriNetUnfolder]: 264/3290 cut-off events. [2021-06-11 19:10:20,834 INFO L130 PetriNetUnfolder]: For 331314/332033 co-relation queries the response was YES. [2021-06-11 19:10:20,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38689 conditions, 3290 events. 264/3290 cut-off events. For 331314/332033 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48320 event pairs, 16 based on Foata normal form. 40/3236 useless extension candidates. Maximal degree in co-relation 38490. Up to 611 conditions per place. [2021-06-11 19:10:20,888 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 364 selfloop transitions, 239 changer transitions 0/617 dead transitions. [2021-06-11 19:10:20,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 701 places, 617 transitions, 33462 flow [2021-06-11 19:10:20,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:20,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:20,889 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:20,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:20,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:20,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:20,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:20,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:20,890 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:20,890 INFO L185 Difference]: Start difference. First operand has 694 places, 607 transitions, 31872 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:20,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 701 places, 617 transitions, 33462 flow [2021-06-11 19:10:23,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 617 transitions, 32970 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-06-11 19:10:23,095 INFO L241 Difference]: Finished difference. Result has 699 places, 607 transitions, 31861 flow [2021-06-11 19:10:23,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31380, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31861, PETRI_PLACES=699, PETRI_TRANSITIONS=607} [2021-06-11 19:10:23,095 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 661 predicate places. [2021-06-11 19:10:23,095 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:23,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 699 places, 607 transitions, 31861 flow [2021-06-11 19:10:23,095 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 699 places, 607 transitions, 31861 flow [2021-06-11 19:10:23,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 607 transitions, 31861 flow [2021-06-11 19:10:23,909 INFO L129 PetriNetUnfolder]: 224/3199 cut-off events. [2021-06-11 19:10:23,910 INFO L130 PetriNetUnfolder]: For 325340/325943 co-relation queries the response was YES. [2021-06-11 19:10:23,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36670 conditions, 3199 events. 224/3199 cut-off events. For 325340/325943 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 47771 event pairs, 0 based on Foata normal form. 8/3133 useless extension candidates. Maximal degree in co-relation 36471. Up to 448 conditions per place. [2021-06-11 19:10:23,994 INFO L151 LiptonReduction]: Number of co-enabled transitions 4268 [2021-06-11 19:10:24,046 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:24,047 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:24,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 952 [2021-06-11 19:10:24,047 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 607 transitions, 31861 flow [2021-06-11 19:10:24,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:24,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:24,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:24,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-06-11 19:10:24,047 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:24,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:24,047 INFO L82 PathProgramCache]: Analyzing trace with hash -615590052, now seen corresponding path program 160 times [2021-06-11 19:10:24,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:24,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106326722] [2021-06-11 19:10:24,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:24,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:24,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:24,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:24,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:24,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:10:24,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:10:24,064 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:24,073 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:24,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:24,086 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:24,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:24,104 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:24,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:24,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106326722] [2021-06-11 19:10:24,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:24,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:24,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538851148] [2021-06-11 19:10:24,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:24,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:24,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:24,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:24,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:24,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 607 transitions, 31861 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:24,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:24,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:24,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:25,564 INFO L129 PetriNetUnfolder]: 264/3289 cut-off events. [2021-06-11 19:10:25,564 INFO L130 PetriNetUnfolder]: For 339704/340445 co-relation queries the response was YES. [2021-06-11 19:10:25,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38994 conditions, 3289 events. 264/3289 cut-off events. For 339704/340445 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48339 event pairs, 16 based on Foata normal form. 40/3228 useless extension candidates. Maximal degree in co-relation 38794. Up to 611 conditions per place. [2021-06-11 19:10:25,623 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 238 changer transitions 0/617 dead transitions. [2021-06-11 19:10:25,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 617 transitions, 33459 flow [2021-06-11 19:10:25,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:25,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:25,624 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:25,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:25,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:25,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:25,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:25,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:25,625 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:25,625 INFO L185 Difference]: Start difference. First operand has 699 places, 607 transitions, 31861 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:25,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 617 transitions, 33459 flow [2021-06-11 19:10:27,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 617 transitions, 33007 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 19:10:27,694 INFO L241 Difference]: Finished difference. Result has 702 places, 607 transitions, 31888 flow [2021-06-11 19:10:27,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31409, PETRI_DIFFERENCE_MINUEND_PLACES=694, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31888, PETRI_PLACES=702, PETRI_TRANSITIONS=607} [2021-06-11 19:10:27,695 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-06-11 19:10:27,695 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:27,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 607 transitions, 31888 flow [2021-06-11 19:10:27,695 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 607 transitions, 31888 flow [2021-06-11 19:10:27,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 607 transitions, 31888 flow [2021-06-11 19:10:28,504 INFO L129 PetriNetUnfolder]: 224/3198 cut-off events. [2021-06-11 19:10:28,504 INFO L130 PetriNetUnfolder]: For 334618/335336 co-relation queries the response was YES. [2021-06-11 19:10:28,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36960 conditions, 3198 events. 224/3198 cut-off events. For 334618/335336 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47757 event pairs, 0 based on Foata normal form. 10/3135 useless extension candidates. Maximal degree in co-relation 36760. Up to 448 conditions per place. [2021-06-11 19:10:28,587 INFO L151 LiptonReduction]: Number of co-enabled transitions 4268 [2021-06-11 19:10:28,638 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:28,638 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:28,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 944 [2021-06-11 19:10:28,639 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 607 transitions, 31888 flow [2021-06-11 19:10:28,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:28,639 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:28,639 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:28,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-06-11 19:10:28,639 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:28,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:28,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1360292550, now seen corresponding path program 161 times [2021-06-11 19:10:28,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:28,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857930724] [2021-06-11 19:10:28,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:28,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:28,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:28,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:28,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:28,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-06-11 19:10:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-11 19:10:28,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:28,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:28,681 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:28,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:28,697 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:28,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:28,718 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:28,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:28,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857930724] [2021-06-11 19:10:28,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:28,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:28,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962142873] [2021-06-11 19:10:28,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:28,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:28,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:28,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:28,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:28,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 607 transitions, 31888 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:28,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:28,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:28,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:30,146 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-06-11 19:10:30,146 INFO L130 PetriNetUnfolder]: For 349100/349817 co-relation queries the response was YES. [2021-06-11 19:10:30,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39282 conditions, 3288 events. 264/3288 cut-off events. For 349100/349817 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48319 event pairs, 16 based on Foata normal form. 31/3217 useless extension candidates. Maximal degree in co-relation 39081. Up to 611 conditions per place. [2021-06-11 19:10:30,202 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 211 changer transitions 45/617 dead transitions. [2021-06-11 19:10:30,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 617 transitions, 33494 flow [2021-06-11 19:10:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:30,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:30,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:30,203 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:30,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:30,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:30,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:30,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:30,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:30,204 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:30,204 INFO L185 Difference]: Start difference. First operand has 702 places, 607 transitions, 31888 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:30,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 617 transitions, 33494 flow [2021-06-11 19:10:32,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 617 transitions, 33100 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:10:32,359 INFO L241 Difference]: Finished difference. Result has 706 places, 562 transitions, 28456 flow [2021-06-11 19:10:32,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31494, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28456, PETRI_PLACES=706, PETRI_TRANSITIONS=562} [2021-06-11 19:10:32,359 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 668 predicate places. [2021-06-11 19:10:32,359 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:32,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 706 places, 562 transitions, 28456 flow [2021-06-11 19:10:32,360 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 706 places, 562 transitions, 28456 flow [2021-06-11 19:10:32,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 562 transitions, 28456 flow [2021-06-11 19:10:33,078 INFO L129 PetriNetUnfolder]: 223/3043 cut-off events. [2021-06-11 19:10:33,078 INFO L130 PetriNetUnfolder]: For 323471/324031 co-relation queries the response was YES. [2021-06-11 19:10:33,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34658 conditions, 3043 events. 223/3043 cut-off events. For 323471/324031 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 44804 event pairs, 0 based on Foata normal form. 4/2984 useless extension candidates. Maximal degree in co-relation 34457. Up to 446 conditions per place. [2021-06-11 19:10:33,155 INFO L151 LiptonReduction]: Number of co-enabled transitions 3774 [2021-06-11 19:10:33,200 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:33,200 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:33,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 841 [2021-06-11 19:10:33,201 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 562 transitions, 28456 flow [2021-06-11 19:10:33,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:33,201 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:33,201 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:33,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-06-11 19:10:33,201 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:33,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:33,201 INFO L82 PathProgramCache]: Analyzing trace with hash 2013043110, now seen corresponding path program 162 times [2021-06-11 19:10:33,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:33,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481964068] [2021-06-11 19:10:33,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:33,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:33,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:33,211 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:33,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:33,223 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-06-11 19:10:33,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 19:10:33,233 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:33,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:33,247 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:33,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:33,265 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:33,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:33,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481964068] [2021-06-11 19:10:33,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:33,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:33,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645316380] [2021-06-11 19:10:33,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:33,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:33,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:33,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:33,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:33,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 562 transitions, 28456 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:33,286 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:33,286 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:33,286 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:34,550 INFO L129 PetriNetUnfolder]: 263/3121 cut-off events. [2021-06-11 19:10:34,550 INFO L130 PetriNetUnfolder]: For 338502/338832 co-relation queries the response was YES. [2021-06-11 19:10:34,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36901 conditions, 3121 events. 263/3121 cut-off events. For 338502/338832 co-relation queries the response was YES. Maximal size of possible extension queue 554. Compared 45145 event pairs, 21 based on Foata normal form. 27/3066 useless extension candidates. Maximal degree in co-relation 36699. Up to 626 conditions per place. [2021-06-11 19:10:34,602 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 239 changer transitions 11/574 dead transitions. [2021-06-11 19:10:34,602 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 574 transitions, 30032 flow [2021-06-11 19:10:34,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:34,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:34,603 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:34,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:34,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:34,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:34,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:34,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:34,604 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:34,604 INFO L185 Difference]: Start difference. First operand has 658 places, 562 transitions, 28456 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:34,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 574 transitions, 30032 flow [2021-06-11 19:10:36,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 574 transitions, 29235 flow, removed 258 selfloop flow, removed 36 redundant places. [2021-06-11 19:10:36,192 INFO L241 Difference]: Finished difference. Result has 630 places, 551 transitions, 27647 flow [2021-06-11 19:10:36,193 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27859, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27647, PETRI_PLACES=630, PETRI_TRANSITIONS=551} [2021-06-11 19:10:36,193 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 592 predicate places. [2021-06-11 19:10:36,193 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:36,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 551 transitions, 27647 flow [2021-06-11 19:10:36,193 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 551 transitions, 27647 flow [2021-06-11 19:10:36,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 624 places, 551 transitions, 27647 flow [2021-06-11 19:10:36,877 INFO L129 PetriNetUnfolder]: 222/3005 cut-off events. [2021-06-11 19:10:36,877 INFO L130 PetriNetUnfolder]: For 163026/163584 co-relation queries the response was YES. [2021-06-11 19:10:36,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27006 conditions, 3005 events. 222/3005 cut-off events. For 163026/163584 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 44034 event pairs, 0 based on Foata normal form. 7/2955 useless extension candidates. Maximal degree in co-relation 26837. Up to 444 conditions per place. [2021-06-11 19:10:36,947 INFO L151 LiptonReduction]: Number of co-enabled transitions 3642 [2021-06-11 19:10:36,992 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:36,992 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:36,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 799 [2021-06-11 19:10:36,992 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 551 transitions, 27647 flow [2021-06-11 19:10:36,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:36,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:36,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:36,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-06-11 19:10:36,993 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:36,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:36,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1859515920, now seen corresponding path program 163 times [2021-06-11 19:10:36,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:36,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83340840] [2021-06-11 19:10:36,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:36,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:36,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:36,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:36,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:37,003 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:37,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:37,015 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:37,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:37,034 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:10:37,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:10:37,048 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:37,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:37,066 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:37,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:37,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83340840] [2021-06-11 19:10:37,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:37,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:37,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452381979] [2021-06-11 19:10:37,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:37,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:37,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:37,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:37,084 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:37,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 551 transitions, 27647 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:37,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:37,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:37,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:38,246 INFO L129 PetriNetUnfolder]: 262/3095 cut-off events. [2021-06-11 19:10:38,246 INFO L130 PetriNetUnfolder]: For 168661/168727 co-relation queries the response was YES. [2021-06-11 19:10:38,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29246 conditions, 3095 events. 262/3095 cut-off events. For 168661/168727 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 44624 event pairs, 15 based on Foata normal form. 12/3054 useless extension candidates. Maximal degree in co-relation 29076. Up to 626 conditions per place. [2021-06-11 19:10:38,295 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 303 selfloop transitions, 253 changer transitions 0/570 dead transitions. [2021-06-11 19:10:38,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 570 transitions, 29357 flow [2021-06-11 19:10:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:38,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:38,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:38,296 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:38,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:38,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:38,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:38,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:38,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:38,297 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:38,297 INFO L185 Difference]: Start difference. First operand has 624 places, 551 transitions, 27647 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:38,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 570 transitions, 29357 flow [2021-06-11 19:10:39,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 570 transitions, 28791 flow, removed 31 selfloop flow, removed 15 redundant places. [2021-06-11 19:10:39,605 INFO L241 Difference]: Finished difference. Result has 619 places, 557 transitions, 27998 flow [2021-06-11 19:10:39,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27141, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27998, PETRI_PLACES=619, PETRI_TRANSITIONS=557} [2021-06-11 19:10:39,605 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 581 predicate places. [2021-06-11 19:10:39,605 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:39,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 619 places, 557 transitions, 27998 flow [2021-06-11 19:10:39,606 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 619 places, 557 transitions, 27998 flow [2021-06-11 19:10:39,630 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 619 places, 557 transitions, 27998 flow [2021-06-11 19:10:40,288 INFO L129 PetriNetUnfolder]: 222/3004 cut-off events. [2021-06-11 19:10:40,289 INFO L130 PetriNetUnfolder]: For 152190/152711 co-relation queries the response was YES. [2021-06-11 19:10:40,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25504 conditions, 3004 events. 222/3004 cut-off events. For 152190/152711 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 43929 event pairs, 0 based on Foata normal form. 7/2954 useless extension candidates. Maximal degree in co-relation 25342. Up to 444 conditions per place. [2021-06-11 19:10:40,358 INFO L151 LiptonReduction]: Number of co-enabled transitions 3670 [2021-06-11 19:10:40,407 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:40,407 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:40,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 802 [2021-06-11 19:10:40,407 INFO L480 AbstractCegarLoop]: Abstraction has has 619 places, 557 transitions, 27998 flow [2021-06-11 19:10:40,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:40,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:40,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:40,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-06-11 19:10:40,407 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:40,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:40,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1671105896, now seen corresponding path program 164 times [2021-06-11 19:10:40,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:40,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024994979] [2021-06-11 19:10:40,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:40,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:40,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:40,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:40,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:40,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:40,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:10:40,423 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:10:40,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:10:40,440 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:10:40,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:10:40,461 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:10:40,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:10:40,479 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:40,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024994979] [2021-06-11 19:10:40,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:40,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:40,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612032600] [2021-06-11 19:10:40,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:40,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:40,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:40,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:40,497 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:40,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 619 places, 557 transitions, 27998 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:40,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:40,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:40,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:41,795 INFO L129 PetriNetUnfolder]: 292/3581 cut-off events. [2021-06-11 19:10:41,795 INFO L130 PetriNetUnfolder]: For 178610/178676 co-relation queries the response was YES. [2021-06-11 19:10:41,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31497 conditions, 3581 events. 292/3581 cut-off events. For 178610/178676 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53215 event pairs, 7 based on Foata normal form. 1/3521 useless extension candidates. Maximal degree in co-relation 31334. Up to 634 conditions per place. [2021-06-11 19:10:41,850 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 255 changer transitions 2/694 dead transitions. [2021-06-11 19:10:41,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 694 transitions, 35266 flow [2021-06-11 19:10:41,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:41,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:41,851 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:41,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:41,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:41,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:41,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:41,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:41,852 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:41,852 INFO L185 Difference]: Start difference. First operand has 619 places, 557 transitions, 27998 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:41,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 694 transitions, 35266 flow [2021-06-11 19:10:43,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 694 transitions, 34686 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-06-11 19:10:43,231 INFO L241 Difference]: Finished difference. Result has 629 places, 596 transitions, 30364 flow [2021-06-11 19:10:43,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27513, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30364, PETRI_PLACES=629, PETRI_TRANSITIONS=596} [2021-06-11 19:10:43,232 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 591 predicate places. [2021-06-11 19:10:43,232 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:43,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 629 places, 596 transitions, 30364 flow [2021-06-11 19:10:43,232 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 629 places, 596 transitions, 30364 flow [2021-06-11 19:10:43,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 596 transitions, 30364 flow [2021-06-11 19:10:44,002 INFO L129 PetriNetUnfolder]: 260/3509 cut-off events. [2021-06-11 19:10:44,002 INFO L130 PetriNetUnfolder]: For 184199/184476 co-relation queries the response was YES. [2021-06-11 19:10:44,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30003 conditions, 3509 events. 260/3509 cut-off events. For 184199/184476 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 52749 event pairs, 0 based on Foata normal form. 15/3461 useless extension candidates. Maximal degree in co-relation 29835. Up to 520 conditions per place. [2021-06-11 19:10:44,088 INFO L151 LiptonReduction]: Number of co-enabled transitions 3896 [2021-06-11 19:10:44,143 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:44,144 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:44,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 912 [2021-06-11 19:10:44,144 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 596 transitions, 30364 flow [2021-06-11 19:10:44,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:44,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:44,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:44,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-06-11 19:10:44,144 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:44,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:44,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1907288762, now seen corresponding path program 165 times [2021-06-11 19:10:44,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:44,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580033595] [2021-06-11 19:10:44,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:44,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:44,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:44,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:44,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:44,161 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:44,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:44,173 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:44,187 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:44,207 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:10:44,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:10:44,225 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:44,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:44,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580033595] [2021-06-11 19:10:44,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:44,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:44,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534910736] [2021-06-11 19:10:44,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:44,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:44,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:44,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:44,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:44,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 596 transitions, 30364 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:44,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:44,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:44,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:45,677 INFO L129 PetriNetUnfolder]: 291/3571 cut-off events. [2021-06-11 19:10:45,677 INFO L130 PetriNetUnfolder]: For 188739/188823 co-relation queries the response was YES. [2021-06-11 19:10:45,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32169 conditions, 3571 events. 291/3571 cut-off events. For 188739/188823 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 53115 event pairs, 20 based on Foata normal form. 10/3525 useless extension candidates. Maximal degree in co-relation 32000. Up to 692 conditions per place. [2021-06-11 19:10:45,728 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 305 selfloop transitions, 289 changer transitions 3/611 dead transitions. [2021-06-11 19:10:45,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 611 transitions, 31921 flow [2021-06-11 19:10:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:45,729 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:45,729 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:45,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:45,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:45,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:45,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:45,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:45,730 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:45,730 INFO L185 Difference]: Start difference. First operand has 628 places, 596 transitions, 30364 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:45,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 611 transitions, 31921 flow [2021-06-11 19:10:47,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 611 transitions, 31813 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-06-11 19:10:47,178 INFO L241 Difference]: Finished difference. Result has 635 places, 595 transitions, 30846 flow [2021-06-11 19:10:47,178 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30272, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30846, PETRI_PLACES=635, PETRI_TRANSITIONS=595} [2021-06-11 19:10:47,178 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-06-11 19:10:47,178 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:47,178 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 595 transitions, 30846 flow [2021-06-11 19:10:47,179 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 595 transitions, 30846 flow [2021-06-11 19:10:47,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 595 transitions, 30846 flow [2021-06-11 19:10:47,970 INFO L129 PetriNetUnfolder]: 259/3498 cut-off events. [2021-06-11 19:10:47,970 INFO L130 PetriNetUnfolder]: For 187111/187428 co-relation queries the response was YES. [2021-06-11 19:10:48,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30283 conditions, 3498 events. 259/3498 cut-off events. For 187111/187428 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 52508 event pairs, 0 based on Foata normal form. 14/3452 useless extension candidates. Maximal degree in co-relation 30114. Up to 518 conditions per place. [2021-06-11 19:10:48,052 INFO L151 LiptonReduction]: Number of co-enabled transitions 3892 [2021-06-11 19:10:48,106 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:48,106 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:48,106 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 928 [2021-06-11 19:10:48,106 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 595 transitions, 30846 flow [2021-06-11 19:10:48,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:48,106 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:48,106 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:48,106 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-06-11 19:10:48,107 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:48,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:48,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1122740500, now seen corresponding path program 166 times [2021-06-11 19:10:48,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:48,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504807669] [2021-06-11 19:10:48,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:48,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:48,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:48,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:48,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:10:48,122 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:10:48,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:10:48,139 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:10:48,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:10:48,159 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:10:48,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:10:48,178 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:48,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:48,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504807669] [2021-06-11 19:10:48,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:48,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:48,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302708372] [2021-06-11 19:10:48,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:48,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:48,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:48,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:48,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:48,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 595 transitions, 30846 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:48,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:48,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:48,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:49,717 INFO L129 PetriNetUnfolder]: 297/3697 cut-off events. [2021-06-11 19:10:49,717 INFO L130 PetriNetUnfolder]: For 197728/197816 co-relation queries the response was YES. [2021-06-11 19:10:49,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33435 conditions, 3697 events. 297/3697 cut-off events. For 197728/197816 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55430 event pairs, 14 based on Foata normal form. 8/3647 useless extension candidates. Maximal degree in co-relation 33265. Up to 689 conditions per place. [2021-06-11 19:10:49,772 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 420 selfloop transitions, 257 changer transitions 2/693 dead transitions. [2021-06-11 19:10:49,772 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 693 transitions, 36350 flow [2021-06-11 19:10:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:49,773 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:49,773 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:49,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:49,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:49,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:49,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:49,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:49,774 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:49,774 INFO L185 Difference]: Start difference. First operand has 634 places, 595 transitions, 30846 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:49,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 693 transitions, 36350 flow [2021-06-11 19:10:51,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 693 transitions, 35712 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-06-11 19:10:51,333 INFO L241 Difference]: Finished difference. Result has 641 places, 622 transitions, 32444 flow [2021-06-11 19:10:51,334 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30275, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32444, PETRI_PLACES=641, PETRI_TRANSITIONS=622} [2021-06-11 19:10:51,334 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 603 predicate places. [2021-06-11 19:10:51,334 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:51,334 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 641 places, 622 transitions, 32444 flow [2021-06-11 19:10:51,334 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 641 places, 622 transitions, 32444 flow [2021-06-11 19:10:51,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 622 transitions, 32444 flow [2021-06-11 19:10:52,188 INFO L129 PetriNetUnfolder]: 271/3637 cut-off events. [2021-06-11 19:10:52,188 INFO L130 PetriNetUnfolder]: For 200032/200251 co-relation queries the response was YES. [2021-06-11 19:10:52,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31580 conditions, 3637 events. 271/3637 cut-off events. For 200032/200251 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 54929 event pairs, 0 based on Foata normal form. 4/3579 useless extension candidates. Maximal degree in co-relation 31407. Up to 542 conditions per place. [2021-06-11 19:10:52,284 INFO L151 LiptonReduction]: Number of co-enabled transitions 4018 [2021-06-11 19:10:52,346 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:52,346 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:52,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1013 [2021-06-11 19:10:52,347 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 622 transitions, 32444 flow [2021-06-11 19:10:52,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:52,347 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:52,347 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:52,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-06-11 19:10:52,347 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:52,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:52,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1678057242, now seen corresponding path program 167 times [2021-06-11 19:10:52,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:52,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742007312] [2021-06-11 19:10:52,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:52,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:52,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:52,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:52,358 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:52,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:52,371 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:10:52,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:10:52,386 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:10:52,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:10:52,406 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:10:52,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:10:52,424 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:52,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:52,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742007312] [2021-06-11 19:10:52,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:52,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:52,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832935993] [2021-06-11 19:10:52,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:52,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:52,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:52,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:52,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:52,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 622 transitions, 32444 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:52,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:52,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:52,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:54,003 INFO L129 PetriNetUnfolder]: 297/3716 cut-off events. [2021-06-11 19:10:54,003 INFO L130 PetriNetUnfolder]: For 206000/206143 co-relation queries the response was YES. [2021-06-11 19:10:54,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33806 conditions, 3716 events. 297/3716 cut-off events. For 206000/206143 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 55722 event pairs, 20 based on Foata normal form. 15/3674 useless extension candidates. Maximal degree in co-relation 33632. Up to 692 conditions per place. [2021-06-11 19:10:54,056 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 312 selfloop transitions, 311 changer transitions 2/639 dead transitions. [2021-06-11 19:10:54,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 639 transitions, 34245 flow [2021-06-11 19:10:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:54,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:54,057 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:54,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:54,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:54,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:54,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:54,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:54,057 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:54,058 INFO L185 Difference]: Start difference. First operand has 640 places, 622 transitions, 32444 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:54,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 639 transitions, 34245 flow [2021-06-11 19:10:55,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 639 transitions, 33992 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-06-11 19:10:55,637 INFO L241 Difference]: Finished difference. Result has 648 places, 625 transitions, 33014 flow [2021-06-11 19:10:55,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32201, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33014, PETRI_PLACES=648, PETRI_TRANSITIONS=625} [2021-06-11 19:10:55,637 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 610 predicate places. [2021-06-11 19:10:55,637 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:55,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 625 transitions, 33014 flow [2021-06-11 19:10:55,637 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 625 transitions, 33014 flow [2021-06-11 19:10:55,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 625 transitions, 33014 flow [2021-06-11 19:10:56,476 INFO L129 PetriNetUnfolder]: 273/3660 cut-off events. [2021-06-11 19:10:56,476 INFO L130 PetriNetUnfolder]: For 204016/204189 co-relation queries the response was YES. [2021-06-11 19:10:56,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32098 conditions, 3660 events. 273/3660 cut-off events. For 204016/204189 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 55321 event pairs, 0 based on Foata normal form. 2/3602 useless extension candidates. Maximal degree in co-relation 31923. Up to 546 conditions per place. [2021-06-11 19:10:56,568 INFO L151 LiptonReduction]: Number of co-enabled transitions 4030 [2021-06-11 19:10:56,627 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:10:56,628 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:10:56,628 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 991 [2021-06-11 19:10:56,628 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 625 transitions, 33014 flow [2021-06-11 19:10:56,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:56,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:10:56,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:10:56,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-06-11 19:10:56,628 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:10:56,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:10:56,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1416545170, now seen corresponding path program 168 times [2021-06-11 19:10:56,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:10:56,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502131832] [2021-06-11 19:10:56,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:10:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:10:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:10:56,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:10:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:10:56,638 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:10:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:10:56,651 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:10:56,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:10:56,668 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:10:56,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:10:56,695 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:10:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:10:56,716 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:10:56,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:10:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:10:56,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502131832] [2021-06-11 19:10:56,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:10:56,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:10:56,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123525127] [2021-06-11 19:10:56,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:10:56,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:10:56,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:10:56,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:10:56,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:10:56,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 625 transitions, 33014 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:56,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:10:56,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:10:56,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:10:58,292 INFO L129 PetriNetUnfolder]: 296/3706 cut-off events. [2021-06-11 19:10:58,292 INFO L130 PetriNetUnfolder]: For 208934/209077 co-relation queries the response was YES. [2021-06-11 19:10:58,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34086 conditions, 3706 events. 296/3706 cut-off events. For 208934/209077 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 55600 event pairs, 20 based on Foata normal form. 15/3664 useless extension candidates. Maximal degree in co-relation 33910. Up to 692 conditions per place. [2021-06-11 19:10:58,351 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 295 changer transitions 2/657 dead transitions. [2021-06-11 19:10:58,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 657 transitions, 35566 flow [2021-06-11 19:10:58,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:10:58,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:10:58,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:10:58,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:10:58,352 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:10:58,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:10:58,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:10:58,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:10:58,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:58,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:58,353 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:10:58,353 INFO L185 Difference]: Start difference. First operand has 647 places, 625 transitions, 33014 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:10:58,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 657 transitions, 35566 flow [2021-06-11 19:10:59,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 657 transitions, 34977 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-06-11 19:10:59,900 INFO L241 Difference]: Finished difference. Result has 653 places, 631 transitions, 33487 flow [2021-06-11 19:10:59,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32438, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33487, PETRI_PLACES=653, PETRI_TRANSITIONS=631} [2021-06-11 19:10:59,901 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 615 predicate places. [2021-06-11 19:10:59,901 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:10:59,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 653 places, 631 transitions, 33487 flow [2021-06-11 19:10:59,901 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 653 places, 631 transitions, 33487 flow [2021-06-11 19:10:59,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 652 places, 631 transitions, 33487 flow [2021-06-11 19:11:00,728 INFO L129 PetriNetUnfolder]: 272/3650 cut-off events. [2021-06-11 19:11:00,728 INFO L130 PetriNetUnfolder]: For 207771/207962 co-relation queries the response was YES. [2021-06-11 19:11:00,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32165 conditions, 3650 events. 272/3650 cut-off events. For 207771/207962 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55121 event pairs, 0 based on Foata normal form. 2/3594 useless extension candidates. Maximal degree in co-relation 31988. Up to 544 conditions per place. [2021-06-11 19:11:00,815 INFO L151 LiptonReduction]: Number of co-enabled transitions 4068 [2021-06-11 19:11:00,874 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:00,875 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:00,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 974 [2021-06-11 19:11:00,875 INFO L480 AbstractCegarLoop]: Abstraction has has 652 places, 631 transitions, 33487 flow [2021-06-11 19:11:00,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:00,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:00,875 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:00,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-06-11 19:11:00,875 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:00,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:00,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1872207556, now seen corresponding path program 169 times [2021-06-11 19:11:00,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:00,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400046222] [2021-06-11 19:11:00,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:00,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:00,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:00,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:00,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:00,890 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:00,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:00,903 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:11:00,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:11:00,917 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:11:00,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:11:00,938 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:00,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:00,957 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:00,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:00,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400046222] [2021-06-11 19:11:00,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:00,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:00,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11244403] [2021-06-11 19:11:00,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:00,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:00,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:00,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:00,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:00,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 631 transitions, 33487 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:00,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:00,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:00,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:02,572 INFO L129 PetriNetUnfolder]: 295/3696 cut-off events. [2021-06-11 19:11:02,572 INFO L130 PetriNetUnfolder]: For 213316/213508 co-relation queries the response was YES. [2021-06-11 19:11:02,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34155 conditions, 3696 events. 295/3696 cut-off events. For 213316/213508 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55443 event pairs, 20 based on Foata normal form. 18/3657 useless extension candidates. Maximal degree in co-relation 33977. Up to 692 conditions per place. [2021-06-11 19:11:02,626 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 316 changer transitions 2/642 dead transitions. [2021-06-11 19:11:02,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 642 transitions, 35058 flow [2021-06-11 19:11:02,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:02,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:02,627 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:02,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:02,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:02,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:02,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:02,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:02,628 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:02,628 INFO L185 Difference]: Start difference. First operand has 652 places, 631 transitions, 33487 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:02,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 642 transitions, 35058 flow [2021-06-11 19:11:04,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 642 transitions, 34602 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-06-11 19:11:04,236 INFO L241 Difference]: Finished difference. Result has 658 places, 632 transitions, 33751 flow [2021-06-11 19:11:04,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33039, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33751, PETRI_PLACES=658, PETRI_TRANSITIONS=632} [2021-06-11 19:11:04,237 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-06-11 19:11:04,237 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:04,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 632 transitions, 33751 flow [2021-06-11 19:11:04,237 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 632 transitions, 33751 flow [2021-06-11 19:11:04,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 632 transitions, 33751 flow [2021-06-11 19:11:05,086 INFO L129 PetriNetUnfolder]: 271/3640 cut-off events. [2021-06-11 19:11:05,086 INFO L130 PetriNetUnfolder]: For 207466/207650 co-relation queries the response was YES. [2021-06-11 19:11:05,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32257 conditions, 3640 events. 271/3640 cut-off events. For 207466/207650 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55021 event pairs, 0 based on Foata normal form. 2/3582 useless extension candidates. Maximal degree in co-relation 32079. Up to 542 conditions per place. [2021-06-11 19:11:05,175 INFO L151 LiptonReduction]: Number of co-enabled transitions 4060 [2021-06-11 19:11:05,236 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:05,237 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:05,237 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1000 [2021-06-11 19:11:05,237 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 632 transitions, 33751 flow [2021-06-11 19:11:05,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:05,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:05,237 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:05,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-06-11 19:11:05,237 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:05,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:05,237 INFO L82 PathProgramCache]: Analyzing trace with hash 187039396, now seen corresponding path program 170 times [2021-06-11 19:11:05,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:05,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616568870] [2021-06-11 19:11:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:05,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:05,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:05,260 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:11:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:11:05,276 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:11:05,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:11:05,290 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:11:05,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:11:05,309 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:05,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:05,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616568870] [2021-06-11 19:11:05,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:05,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:05,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226177593] [2021-06-11 19:11:05,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:05,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:05,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:05,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:05,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:05,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 632 transitions, 33751 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:05,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:05,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:05,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:06,923 INFO L129 PetriNetUnfolder]: 294/3686 cut-off events. [2021-06-11 19:11:06,923 INFO L130 PetriNetUnfolder]: For 212797/212989 co-relation queries the response was YES. [2021-06-11 19:11:06,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34244 conditions, 3686 events. 294/3686 cut-off events. For 212797/212989 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 55241 event pairs, 20 based on Foata normal form. 18/3647 useless extension candidates. Maximal degree in co-relation 34065. Up to 692 conditions per place. [2021-06-11 19:11:06,980 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 304 selfloop transitions, 316 changer transitions 6/640 dead transitions. [2021-06-11 19:11:06,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 640 transitions, 35147 flow [2021-06-11 19:11:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:06,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:06,981 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:06,981 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:06,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:06,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:06,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:06,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:06,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:06,982 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:06,982 INFO L185 Difference]: Start difference. First operand has 657 places, 632 transitions, 33751 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:06,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 640 transitions, 35147 flow [2021-06-11 19:11:08,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 640 transitions, 34502 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-06-11 19:11:08,679 INFO L241 Difference]: Finished difference. Result has 659 places, 626 transitions, 33435 flow [2021-06-11 19:11:08,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33114, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=316, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33435, PETRI_PLACES=659, PETRI_TRANSITIONS=626} [2021-06-11 19:11:08,680 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 621 predicate places. [2021-06-11 19:11:08,680 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:08,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 659 places, 626 transitions, 33435 flow [2021-06-11 19:11:08,680 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 659 places, 626 transitions, 33435 flow [2021-06-11 19:11:08,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 655 places, 626 transitions, 33435 flow [2021-06-11 19:11:09,532 INFO L129 PetriNetUnfolder]: 270/3623 cut-off events. [2021-06-11 19:11:09,532 INFO L130 PetriNetUnfolder]: For 206340/206548 co-relation queries the response was YES. [2021-06-11 19:11:09,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32057 conditions, 3623 events. 270/3623 cut-off events. For 206340/206548 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 54621 event pairs, 0 based on Foata normal form. 2/3565 useless extension candidates. Maximal degree in co-relation 31879. Up to 540 conditions per place. [2021-06-11 19:11:09,621 INFO L151 LiptonReduction]: Number of co-enabled transitions 3996 [2021-06-11 19:11:09,681 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:09,681 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:09,681 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1001 [2021-06-11 19:11:09,682 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 626 transitions, 33435 flow [2021-06-11 19:11:09,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:09,682 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:09,682 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:09,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-06-11 19:11:09,682 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:09,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:09,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1425626012, now seen corresponding path program 171 times [2021-06-11 19:11:09,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:09,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445230015] [2021-06-11 19:11:09,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:09,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:09,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:09,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:09,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:09,692 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:09,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:09,703 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:09,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:09,721 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:11:09,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:11:09,745 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:09,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:09,767 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:09,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:09,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445230015] [2021-06-11 19:11:09,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:09,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:09,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369691095] [2021-06-11 19:11:09,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:09,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:09,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:09,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:09,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:09,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 626 transitions, 33435 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:09,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:09,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:09,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:11,332 INFO L129 PetriNetUnfolder]: 293/3669 cut-off events. [2021-06-11 19:11:11,332 INFO L130 PetriNetUnfolder]: For 211520/211708 co-relation queries the response was YES. [2021-06-11 19:11:11,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34036 conditions, 3669 events. 293/3669 cut-off events. For 211520/211708 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 54940 event pairs, 20 based on Foata normal form. 16/3630 useless extension candidates. Maximal degree in co-relation 33857. Up to 692 conditions per place. [2021-06-11 19:11:11,387 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 309 changer transitions 2/644 dead transitions. [2021-06-11 19:11:11,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 644 transitions, 35328 flow [2021-06-11 19:11:11,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:11,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:11,388 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:11,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:11,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:11,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:11,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:11,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:11,389 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:11,389 INFO L185 Difference]: Start difference. First operand has 655 places, 626 transitions, 33435 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:11,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 644 transitions, 35328 flow [2021-06-11 19:11:12,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 644 transitions, 34651 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-06-11 19:11:12,998 INFO L241 Difference]: Finished difference. Result has 658 places, 629 transitions, 33623 flow [2021-06-11 19:11:12,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32781, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33623, PETRI_PLACES=658, PETRI_TRANSITIONS=629} [2021-06-11 19:11:12,999 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-06-11 19:11:12,999 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:12,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 629 transitions, 33623 flow [2021-06-11 19:11:12,999 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 629 transitions, 33623 flow [2021-06-11 19:11:13,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 629 transitions, 33623 flow [2021-06-11 19:11:13,839 INFO L129 PetriNetUnfolder]: 269/3613 cut-off events. [2021-06-11 19:11:13,839 INFO L130 PetriNetUnfolder]: For 204649/204855 co-relation queries the response was YES. [2021-06-11 19:11:13,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31648 conditions, 3613 events. 269/3613 cut-off events. For 204649/204855 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54471 event pairs, 0 based on Foata normal form. 3/3555 useless extension candidates. Maximal degree in co-relation 31470. Up to 538 conditions per place. [2021-06-11 19:11:13,927 INFO L151 LiptonReduction]: Number of co-enabled transitions 4010 [2021-06-11 19:11:13,986 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:13,987 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:13,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 988 [2021-06-11 19:11:13,987 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 629 transitions, 33623 flow [2021-06-11 19:11:13,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:13,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:13,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:13,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-06-11 19:11:13,987 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:13,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:13,987 INFO L82 PathProgramCache]: Analyzing trace with hash -115841564, now seen corresponding path program 172 times [2021-06-11 19:11:13,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:13,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052553381] [2021-06-11 19:11:13,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:13,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:13,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:13,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:13,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:13,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:13,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:14,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:14,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:14,026 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:11:14,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:11:14,049 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:11:14,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:11:14,067 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:14,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052553381] [2021-06-11 19:11:14,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:14,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:14,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140870850] [2021-06-11 19:11:14,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:14,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:14,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:14,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:14,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:14,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 629 transitions, 33623 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:14,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:14,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:14,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:15,636 INFO L129 PetriNetUnfolder]: 292/3657 cut-off events. [2021-06-11 19:11:15,636 INFO L130 PetriNetUnfolder]: For 209463/209651 co-relation queries the response was YES. [2021-06-11 19:11:15,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33611 conditions, 3657 events. 292/3657 cut-off events. For 209463/209651 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54709 event pairs, 21 based on Foata normal form. 16/3617 useless extension candidates. Maximal degree in co-relation 33432. Up to 692 conditions per place. [2021-06-11 19:11:15,691 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 318 selfloop transitions, 307 changer transitions 3/642 dead transitions. [2021-06-11 19:11:15,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 642 transitions, 35251 flow [2021-06-11 19:11:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:15,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:15,692 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:15,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:15,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:15,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:15,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:15,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:15,693 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:15,693 INFO L185 Difference]: Start difference. First operand has 657 places, 629 transitions, 33623 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:15,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 642 transitions, 35251 flow [2021-06-11 19:11:17,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 642 transitions, 34675 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-06-11 19:11:17,313 INFO L241 Difference]: Finished difference. Result has 661 places, 627 transitions, 33589 flow [2021-06-11 19:11:17,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33055, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33589, PETRI_PLACES=661, PETRI_TRANSITIONS=627} [2021-06-11 19:11:17,313 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 623 predicate places. [2021-06-11 19:11:17,313 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:17,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 627 transitions, 33589 flow [2021-06-11 19:11:17,314 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 627 transitions, 33589 flow [2021-06-11 19:11:17,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 627 transitions, 33589 flow [2021-06-11 19:11:18,165 INFO L129 PetriNetUnfolder]: 268/3602 cut-off events. [2021-06-11 19:11:18,165 INFO L130 PetriNetUnfolder]: For 204202/204370 co-relation queries the response was YES. [2021-06-11 19:11:18,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31632 conditions, 3602 events. 268/3602 cut-off events. For 204202/204370 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 54324 event pairs, 0 based on Foata normal form. 4/3549 useless extension candidates. Maximal degree in co-relation 31454. Up to 536 conditions per place. [2021-06-11 19:11:18,254 INFO L151 LiptonReduction]: Number of co-enabled transitions 4006 [2021-06-11 19:11:18,315 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:18,315 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:18,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1002 [2021-06-11 19:11:18,316 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 627 transitions, 33589 flow [2021-06-11 19:11:18,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:18,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:18,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:18,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-06-11 19:11:18,316 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:18,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:18,316 INFO L82 PathProgramCache]: Analyzing trace with hash -781931664, now seen corresponding path program 173 times [2021-06-11 19:11:18,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:18,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732152649] [2021-06-11 19:11:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:18,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:18,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:18,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:18,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:18,329 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:18,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:18,341 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:18,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:18,358 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:18,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:18,378 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:11:18,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:11:18,397 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:18,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:18,416 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732152649] [2021-06-11 19:11:18,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:18,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:18,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923094865] [2021-06-11 19:11:18,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:18,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:18,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:18,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:18,417 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:18,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 627 transitions, 33589 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:18,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:18,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:18,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:19,975 INFO L129 PetriNetUnfolder]: 291/3648 cut-off events. [2021-06-11 19:11:19,975 INFO L130 PetriNetUnfolder]: For 208965/209153 co-relation queries the response was YES. [2021-06-11 19:11:20,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33593 conditions, 3648 events. 291/3648 cut-off events. For 208965/209153 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54567 event pairs, 20 based on Foata normal form. 16/3609 useless extension candidates. Maximal degree in co-relation 33414. Up to 692 conditions per place. [2021-06-11 19:11:20,032 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 311 selfloop transitions, 311 changer transitions 3/639 dead transitions. [2021-06-11 19:11:20,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 639 transitions, 35181 flow [2021-06-11 19:11:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:20,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:20,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:20,045 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:20,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:20,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:20,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:20,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:20,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:20,046 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:20,046 INFO L185 Difference]: Start difference. First operand has 660 places, 627 transitions, 33589 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:20,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 639 transitions, 35181 flow [2021-06-11 19:11:21,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 639 transitions, 34569 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:11:21,680 INFO L241 Difference]: Finished difference. Result has 663 places, 624 transitions, 33481 flow [2021-06-11 19:11:21,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32985, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33481, PETRI_PLACES=663, PETRI_TRANSITIONS=624} [2021-06-11 19:11:21,681 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-06-11 19:11:21,681 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:21,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 624 transitions, 33481 flow [2021-06-11 19:11:21,681 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 624 transitions, 33481 flow [2021-06-11 19:11:21,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 624 transitions, 33481 flow [2021-06-11 19:11:22,524 INFO L129 PetriNetUnfolder]: 267/3591 cut-off events. [2021-06-11 19:11:22,525 INFO L130 PetriNetUnfolder]: For 203709/203877 co-relation queries the response was YES. [2021-06-11 19:11:22,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31566 conditions, 3591 events. 267/3591 cut-off events. For 203709/203877 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54148 event pairs, 0 based on Foata normal form. 4/3537 useless extension candidates. Maximal degree in co-relation 31388. Up to 534 conditions per place. [2021-06-11 19:11:22,611 INFO L151 LiptonReduction]: Number of co-enabled transitions 3998 [2021-06-11 19:11:22,671 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:22,671 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:22,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 991 [2021-06-11 19:11:22,672 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 624 transitions, 33481 flow [2021-06-11 19:11:22,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:22,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:22,672 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:22,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-06-11 19:11:22,672 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:22,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:22,672 INFO L82 PathProgramCache]: Analyzing trace with hash -2063953880, now seen corresponding path program 174 times [2021-06-11 19:11:22,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:22,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412466922] [2021-06-11 19:11:22,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:22,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:22,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:22,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:22,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:22,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:22,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:22,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:22,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:22,717 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:11:22,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:11:22,730 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:11:22,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:11:22,750 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:22,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:22,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412466922] [2021-06-11 19:11:22,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:22,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:22,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127486089] [2021-06-11 19:11:22,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:22,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:22,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:22,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:22,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:22,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 624 transitions, 33481 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:22,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:22,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:22,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:24,284 INFO L129 PetriNetUnfolder]: 290/3637 cut-off events. [2021-06-11 19:11:24,285 INFO L130 PetriNetUnfolder]: For 208570/208762 co-relation queries the response was YES. [2021-06-11 19:11:24,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33523 conditions, 3637 events. 290/3637 cut-off events. For 208570/208762 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54345 event pairs, 20 based on Foata normal form. 18/3600 useless extension candidates. Maximal degree in co-relation 33344. Up to 692 conditions per place. [2021-06-11 19:11:24,338 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 309 changer transitions 0/636 dead transitions. [2021-06-11 19:11:24,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 636 transitions, 35067 flow [2021-06-11 19:11:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:24,339 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:24,340 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:24,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:24,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:24,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:24,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:24,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:24,340 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:24,340 INFO L185 Difference]: Start difference. First operand has 661 places, 624 transitions, 33481 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:24,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 636 transitions, 35067 flow [2021-06-11 19:11:25,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 636 transitions, 34434 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-06-11 19:11:25,925 INFO L241 Difference]: Finished difference. Result has 664 places, 628 transitions, 33738 flow [2021-06-11 19:11:25,925 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32858, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=624, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33738, PETRI_PLACES=664, PETRI_TRANSITIONS=628} [2021-06-11 19:11:25,925 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 626 predicate places. [2021-06-11 19:11:25,925 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:25,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 664 places, 628 transitions, 33738 flow [2021-06-11 19:11:25,925 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 664 places, 628 transitions, 33738 flow [2021-06-11 19:11:25,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 628 transitions, 33738 flow [2021-06-11 19:11:26,751 INFO L129 PetriNetUnfolder]: 267/3590 cut-off events. [2021-06-11 19:11:26,751 INFO L130 PetriNetUnfolder]: For 205142/205334 co-relation queries the response was YES. [2021-06-11 19:11:26,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31604 conditions, 3590 events. 267/3590 cut-off events. For 205142/205334 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 54060 event pairs, 0 based on Foata normal form. 4/3534 useless extension candidates. Maximal degree in co-relation 31426. Up to 534 conditions per place. [2021-06-11 19:11:26,839 INFO L151 LiptonReduction]: Number of co-enabled transitions 4010 [2021-06-11 19:11:26,899 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:26,900 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:26,900 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 975 [2021-06-11 19:11:26,900 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 628 transitions, 33738 flow [2021-06-11 19:11:26,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:26,900 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:26,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:26,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-06-11 19:11:26,900 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:26,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:26,901 INFO L82 PathProgramCache]: Analyzing trace with hash 728479540, now seen corresponding path program 175 times [2021-06-11 19:11:26,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:26,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846039099] [2021-06-11 19:11:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:26,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:26,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:26,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:26,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:26,910 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:26,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:26,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:26,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:26,939 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:11:26,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:11:26,953 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:26,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:26,970 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:26,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:26,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846039099] [2021-06-11 19:11:26,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:26,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:26,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809748362] [2021-06-11 19:11:26,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:26,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:26,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:26,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:26,988 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:26,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 628 transitions, 33738 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:26,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:26,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:26,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:28,522 INFO L129 PetriNetUnfolder]: 290/3636 cut-off events. [2021-06-11 19:11:28,523 INFO L130 PetriNetUnfolder]: For 209734/209926 co-relation queries the response was YES. [2021-06-11 19:11:28,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33560 conditions, 3636 events. 290/3636 cut-off events. For 209734/209926 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54362 event pairs, 20 based on Foata normal form. 18/3599 useless extension candidates. Maximal degree in co-relation 33381. Up to 692 conditions per place. [2021-06-11 19:11:28,581 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 303 changer transitions 6/636 dead transitions. [2021-06-11 19:11:28,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 636 transitions, 35118 flow [2021-06-11 19:11:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:28,582 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:28,582 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:28,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:28,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:28,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:28,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:28,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:28,583 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:28,583 INFO L185 Difference]: Start difference. First operand has 664 places, 628 transitions, 33738 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:28,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 636 transitions, 35118 flow [2021-06-11 19:11:30,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 636 transitions, 34517 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-06-11 19:11:30,170 INFO L241 Difference]: Finished difference. Result has 668 places, 622 transitions, 33431 flow [2021-06-11 19:11:30,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33137, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33431, PETRI_PLACES=668, PETRI_TRANSITIONS=622} [2021-06-11 19:11:30,171 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 630 predicate places. [2021-06-11 19:11:30,171 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:30,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 622 transitions, 33431 flow [2021-06-11 19:11:30,171 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 622 transitions, 33431 flow [2021-06-11 19:11:30,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 622 transitions, 33431 flow [2021-06-11 19:11:30,981 INFO L129 PetriNetUnfolder]: 266/3573 cut-off events. [2021-06-11 19:11:30,981 INFO L130 PetriNetUnfolder]: For 205571/205776 co-relation queries the response was YES. [2021-06-11 19:11:31,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31800 conditions, 3573 events. 266/3573 cut-off events. For 205571/205776 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 53830 event pairs, 0 based on Foata normal form. 3/3517 useless extension candidates. Maximal degree in co-relation 31621. Up to 532 conditions per place. [2021-06-11 19:11:31,068 INFO L151 LiptonReduction]: Number of co-enabled transitions 3956 [2021-06-11 19:11:31,128 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:31,128 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:31,128 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 957 [2021-06-11 19:11:31,128 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 622 transitions, 33431 flow [2021-06-11 19:11:31,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:31,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:31,128 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:31,128 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-06-11 19:11:31,128 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:31,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:31,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1832864786, now seen corresponding path program 176 times [2021-06-11 19:11:31,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:31,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723771558] [2021-06-11 19:11:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:31,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:31,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:31,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:31,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:31,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:31,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:31,150 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:31,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:31,167 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:11:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:11:31,181 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:31,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:31,198 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:31,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:31,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723771558] [2021-06-11 19:11:31,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:31,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:31,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022976568] [2021-06-11 19:11:31,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:31,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:31,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:31,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:31,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:31,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 622 transitions, 33431 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:31,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:31,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:31,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:32,734 INFO L129 PetriNetUnfolder]: 289/3619 cut-off events. [2021-06-11 19:11:32,734 INFO L130 PetriNetUnfolder]: For 210675/210857 co-relation queries the response was YES. [2021-06-11 19:11:32,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33748 conditions, 3619 events. 289/3619 cut-off events. For 210675/210857 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 53992 event pairs, 20 based on Foata normal form. 16/3581 useless extension candidates. Maximal degree in co-relation 33568. Up to 692 conditions per place. [2021-06-11 19:11:32,788 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 294 changer transitions 0/645 dead transitions. [2021-06-11 19:11:32,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 645 transitions, 35603 flow [2021-06-11 19:11:32,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:32,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:32,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:32,789 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:32,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:32,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:32,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:32,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:32,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:32,790 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:32,790 INFO L185 Difference]: Start difference. First operand has 664 places, 622 transitions, 33431 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:32,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 645 transitions, 35603 flow [2021-06-11 19:11:34,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 645 transitions, 34955 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-06-11 19:11:34,431 INFO L241 Difference]: Finished difference. Result has 667 places, 634 transitions, 34137 flow [2021-06-11 19:11:34,432 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32811, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34137, PETRI_PLACES=667, PETRI_TRANSITIONS=634} [2021-06-11 19:11:34,432 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 629 predicate places. [2021-06-11 19:11:34,432 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:34,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 634 transitions, 34137 flow [2021-06-11 19:11:34,432 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 634 transitions, 34137 flow [2021-06-11 19:11:34,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 667 places, 634 transitions, 34137 flow [2021-06-11 19:11:35,273 INFO L129 PetriNetUnfolder]: 266/3572 cut-off events. [2021-06-11 19:11:35,274 INFO L130 PetriNetUnfolder]: For 204837/205005 co-relation queries the response was YES. [2021-06-11 19:11:35,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31486 conditions, 3572 events. 266/3572 cut-off events. For 204837/205005 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 53725 event pairs, 0 based on Foata normal form. 4/3520 useless extension candidates. Maximal degree in co-relation 31307. Up to 532 conditions per place. [2021-06-11 19:11:35,367 INFO L151 LiptonReduction]: Number of co-enabled transitions 4008 [2021-06-11 19:11:35,431 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:35,432 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:35,432 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1000 [2021-06-11 19:11:35,432 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 634 transitions, 34137 flow [2021-06-11 19:11:35,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:35,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:35,432 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:35,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-06-11 19:11:35,432 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:35,432 INFO L82 PathProgramCache]: Analyzing trace with hash -2046671878, now seen corresponding path program 177 times [2021-06-11 19:11:35,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:35,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216835322] [2021-06-11 19:11:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:35,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:35,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:35,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:35,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:35,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:35,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:35,482 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:35,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:35,500 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:11:35,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:11:35,524 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:35,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:35,542 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:35,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:35,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216835322] [2021-06-11 19:11:35,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:35,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:35,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529637698] [2021-06-11 19:11:35,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:35,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:35,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:35,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:35,561 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:35,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 634 transitions, 34137 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:35,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:35,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:35,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:37,145 INFO L129 PetriNetUnfolder]: 289/3616 cut-off events. [2021-06-11 19:11:37,145 INFO L130 PetriNetUnfolder]: For 209718/209896 co-relation queries the response was YES. [2021-06-11 19:11:37,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33432 conditions, 3616 events. 289/3616 cut-off events. For 209718/209896 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 53967 event pairs, 21 based on Foata normal form. 14/3575 useless extension candidates. Maximal degree in co-relation 33252. Up to 692 conditions per place. [2021-06-11 19:11:37,205 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 336 selfloop transitions, 293 changer transitions 2/645 dead transitions. [2021-06-11 19:11:37,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 645 transitions, 35625 flow [2021-06-11 19:11:37,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:37,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:37,206 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:37,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:37,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:37,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:37,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:37,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:37,207 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:37,207 INFO L185 Difference]: Start difference. First operand has 667 places, 634 transitions, 34137 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:37,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 645 transitions, 35625 flow [2021-06-11 19:11:38,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 645 transitions, 34997 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-06-11 19:11:38,941 INFO L241 Difference]: Finished difference. Result has 672 places, 635 transitions, 34122 flow [2021-06-11 19:11:38,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33512, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34122, PETRI_PLACES=672, PETRI_TRANSITIONS=635} [2021-06-11 19:11:38,942 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 634 predicate places. [2021-06-11 19:11:38,942 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:38,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 672 places, 635 transitions, 34122 flow [2021-06-11 19:11:38,942 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 672 places, 635 transitions, 34122 flow [2021-06-11 19:11:38,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 671 places, 635 transitions, 34122 flow [2021-06-11 19:11:39,832 INFO L129 PetriNetUnfolder]: 265/3562 cut-off events. [2021-06-11 19:11:39,833 INFO L130 PetriNetUnfolder]: For 206864/207032 co-relation queries the response was YES. [2021-06-11 19:11:39,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31764 conditions, 3562 events. 265/3562 cut-off events. For 206864/207032 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53616 event pairs, 0 based on Foata normal form. 4/3509 useless extension candidates. Maximal degree in co-relation 31583. Up to 530 conditions per place. [2021-06-11 19:11:39,923 INFO L151 LiptonReduction]: Number of co-enabled transitions 4002 [2021-06-11 19:11:39,986 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:39,987 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:39,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1045 [2021-06-11 19:11:39,987 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 635 transitions, 34122 flow [2021-06-11 19:11:39,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:39,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:39,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:39,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-06-11 19:11:39,987 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:39,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:39,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1088162288, now seen corresponding path program 178 times [2021-06-11 19:11:39,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:39,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561854944] [2021-06-11 19:11:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:39,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:39,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:39,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:39,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:39,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:39,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:40,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:40,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:40,027 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:11:40,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:11:40,040 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:40,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:40,058 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:40,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:40,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561854944] [2021-06-11 19:11:40,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:40,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:40,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857766452] [2021-06-11 19:11:40,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:40,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:40,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:40,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:40,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:40,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 635 transitions, 34122 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:40,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:40,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:40,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:41,654 INFO L129 PetriNetUnfolder]: 288/3608 cut-off events. [2021-06-11 19:11:41,655 INFO L130 PetriNetUnfolder]: For 211935/212113 co-relation queries the response was YES. [2021-06-11 19:11:41,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33708 conditions, 3608 events. 288/3608 cut-off events. For 211935/212113 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53860 event pairs, 20 based on Foata normal form. 14/3568 useless extension candidates. Maximal degree in co-relation 33526. Up to 692 conditions per place. [2021-06-11 19:11:41,709 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 287 changer transitions 5/643 dead transitions. [2021-06-11 19:11:41,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 643 transitions, 35524 flow [2021-06-11 19:11:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:41,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:41,710 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:41,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:41,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:41,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:41,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:41,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:41,711 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:41,711 INFO L185 Difference]: Start difference. First operand has 671 places, 635 transitions, 34122 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:41,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 643 transitions, 35524 flow [2021-06-11 19:11:43,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 643 transitions, 34980 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-06-11 19:11:43,384 INFO L241 Difference]: Finished difference. Result has 675 places, 630 transitions, 33863 flow [2021-06-11 19:11:43,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33586, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=287, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33863, PETRI_PLACES=675, PETRI_TRANSITIONS=630} [2021-06-11 19:11:43,393 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-06-11 19:11:43,393 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:43,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 630 transitions, 33863 flow [2021-06-11 19:11:43,393 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 630 transitions, 33863 flow [2021-06-11 19:11:43,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 630 transitions, 33863 flow [2021-06-11 19:11:44,239 INFO L129 PetriNetUnfolder]: 264/3546 cut-off events. [2021-06-11 19:11:44,239 INFO L130 PetriNetUnfolder]: For 205978/206170 co-relation queries the response was YES. [2021-06-11 19:11:44,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31639 conditions, 3546 events. 264/3546 cut-off events. For 205978/206170 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53272 event pairs, 0 based on Foata normal form. 4/3492 useless extension candidates. Maximal degree in co-relation 31458. Up to 528 conditions per place. [2021-06-11 19:11:44,325 INFO L151 LiptonReduction]: Number of co-enabled transitions 3958 [2021-06-11 19:11:44,386 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:44,386 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:44,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 993 [2021-06-11 19:11:44,387 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 630 transitions, 33863 flow [2021-06-11 19:11:44,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:44,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:44,387 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:44,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-06-11 19:11:44,387 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:44,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:44,387 INFO L82 PathProgramCache]: Analyzing trace with hash -2133719628, now seen corresponding path program 179 times [2021-06-11 19:11:44,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:44,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112337405] [2021-06-11 19:11:44,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:44,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:44,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:44,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:44,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:44,397 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:44,409 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:44,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:44,426 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:11:44,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:11:44,447 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:44,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:44,465 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:44,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:44,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112337405] [2021-06-11 19:11:44,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:44,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:44,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806858834] [2021-06-11 19:11:44,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:44,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:44,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:44,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:44,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:44,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 630 transitions, 33863 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:44,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:44,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:44,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:46,023 INFO L129 PetriNetUnfolder]: 287/3592 cut-off events. [2021-06-11 19:11:46,024 INFO L130 PetriNetUnfolder]: For 210931/211113 co-relation queries the response was YES. [2021-06-11 19:11:46,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33577 conditions, 3592 events. 287/3592 cut-off events. For 210931/211113 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53572 event pairs, 20 based on Foata normal form. 16/3555 useless extension candidates. Maximal degree in co-relation 33395. Up to 692 conditions per place. [2021-06-11 19:11:46,080 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 335 selfloop transitions, 286 changer transitions 3/638 dead transitions. [2021-06-11 19:11:46,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 638 transitions, 35255 flow [2021-06-11 19:11:46,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:46,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:11:46,081 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:11:46,081 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:11:46,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:11:46,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:46,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:11:46,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:46,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:46,082 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:46,082 INFO L185 Difference]: Start difference. First operand has 673 places, 630 transitions, 33863 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:11:46,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 638 transitions, 35255 flow [2021-06-11 19:11:47,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 638 transitions, 34669 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-06-11 19:11:47,807 INFO L241 Difference]: Finished difference. Result has 675 places, 627 transitions, 33713 flow [2021-06-11 19:11:47,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33293, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33713, PETRI_PLACES=675, PETRI_TRANSITIONS=627} [2021-06-11 19:11:47,808 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-06-11 19:11:47,808 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:47,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 627 transitions, 33713 flow [2021-06-11 19:11:47,808 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 627 transitions, 33713 flow [2021-06-11 19:11:47,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 627 transitions, 33713 flow [2021-06-11 19:11:48,656 INFO L129 PetriNetUnfolder]: 263/3535 cut-off events. [2021-06-11 19:11:48,656 INFO L130 PetriNetUnfolder]: For 202849/203049 co-relation queries the response was YES. [2021-06-11 19:11:48,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31198 conditions, 3535 events. 263/3535 cut-off events. For 202849/203049 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53084 event pairs, 0 based on Foata normal form. 3/3480 useless extension candidates. Maximal degree in co-relation 31018. Up to 526 conditions per place. [2021-06-11 19:11:48,743 INFO L151 LiptonReduction]: Number of co-enabled transitions 3942 [2021-06-11 19:11:48,804 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:48,804 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:48,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 996 [2021-06-11 19:11:48,804 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 627 transitions, 33713 flow [2021-06-11 19:11:48,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:48,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:48,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:48,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-06-11 19:11:48,804 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:48,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:48,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1267481168, now seen corresponding path program 180 times [2021-06-11 19:11:48,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:48,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352729649] [2021-06-11 19:11:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:48,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:48,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:48,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:48,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:48,817 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:11:48,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:11:48,829 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:48,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:48,846 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:11:48,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:11:48,870 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:11:48,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:11:48,888 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:48,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:48,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352729649] [2021-06-11 19:11:48,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:48,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:48,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464863718] [2021-06-11 19:11:48,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:48,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:48,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:48,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:48,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:48,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 627 transitions, 33713 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:48,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:48,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:48,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:50,429 INFO L129 PetriNetUnfolder]: 286/3581 cut-off events. [2021-06-11 19:11:50,429 INFO L130 PetriNetUnfolder]: For 207238/207384 co-relation queries the response was YES. [2021-06-11 19:11:50,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33133 conditions, 3581 events. 286/3581 cut-off events. For 207238/207384 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53328 event pairs, 20 based on Foata normal form. 16/3544 useless extension candidates. Maximal degree in co-relation 32952. Up to 692 conditions per place. [2021-06-11 19:11:50,487 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 330 selfloop transitions, 286 changer transitions 4/634 dead transitions. [2021-06-11 19:11:50,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 634 transitions, 35075 flow [2021-06-11 19:11:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:50,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:11:50,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:11:50,489 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:11:50,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:11:50,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:50,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:11:50,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:50,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:50,490 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:50,490 INFO L185 Difference]: Start difference. First operand has 673 places, 627 transitions, 33713 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:11:50,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 634 transitions, 35075 flow [2021-06-11 19:11:52,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 634 transitions, 34619 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-06-11 19:11:52,127 INFO L241 Difference]: Finished difference. Result has 675 places, 623 transitions, 33664 flow [2021-06-11 19:11:52,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33263, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33664, PETRI_PLACES=675, PETRI_TRANSITIONS=623} [2021-06-11 19:11:52,127 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-06-11 19:11:52,127 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:52,128 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 623 transitions, 33664 flow [2021-06-11 19:11:52,128 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 623 transitions, 33664 flow [2021-06-11 19:11:52,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 623 transitions, 33664 flow [2021-06-11 19:11:52,919 INFO L129 PetriNetUnfolder]: 262/3522 cut-off events. [2021-06-11 19:11:52,919 INFO L130 PetriNetUnfolder]: For 201853/202005 co-relation queries the response was YES. [2021-06-11 19:11:52,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31205 conditions, 3522 events. 262/3522 cut-off events. For 201853/202005 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 52893 event pairs, 0 based on Foata normal form. 4/3471 useless extension candidates. Maximal degree in co-relation 31027. Up to 524 conditions per place. [2021-06-11 19:11:53,000 INFO L151 LiptonReduction]: Number of co-enabled transitions 3928 [2021-06-11 19:11:53,057 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:53,057 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:53,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-06-11 19:11:53,058 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 623 transitions, 33664 flow [2021-06-11 19:11:53,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:53,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:53,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:53,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-06-11 19:11:53,058 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:53,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:53,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1603833174, now seen corresponding path program 181 times [2021-06-11 19:11:53,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:53,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762735294] [2021-06-11 19:11:53,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:53,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:53,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:53,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:53,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:11:53,074 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:53,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:53,091 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:53,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:53,111 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:11:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:11:53,129 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:53,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:53,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762735294] [2021-06-11 19:11:53,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:53,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:53,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809425936] [2021-06-11 19:11:53,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:53,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:53,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:53,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:53,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:53,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 623 transitions, 33664 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:53,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:53,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:53,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:54,722 INFO L129 PetriNetUnfolder]: 303/3838 cut-off events. [2021-06-11 19:11:54,722 INFO L130 PetriNetUnfolder]: For 223128/223229 co-relation queries the response was YES. [2021-06-11 19:11:54,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35769 conditions, 3838 events. 303/3838 cut-off events. For 223128/223229 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 58027 event pairs, 10 based on Foata normal form. 3/3782 useless extension candidates. Maximal degree in co-relation 35590. Up to 685 conditions per place. [2021-06-11 19:11:54,784 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 304 changer transitions 2/749 dead transitions. [2021-06-11 19:11:54,784 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 749 transitions, 41405 flow [2021-06-11 19:11:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:54,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:54,785 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:54,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:54,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:54,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:54,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:54,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:54,786 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:54,786 INFO L185 Difference]: Start difference. First operand has 673 places, 623 transitions, 33664 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:54,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 749 transitions, 41405 flow [2021-06-11 19:11:56,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 749 transitions, 40718 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-06-11 19:11:56,505 INFO L241 Difference]: Finished difference. Result has 681 places, 664 transitions, 36377 flow [2021-06-11 19:11:56,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33089, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=36377, PETRI_PLACES=681, PETRI_TRANSITIONS=664} [2021-06-11 19:11:56,506 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 643 predicate places. [2021-06-11 19:11:56,506 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:11:56,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 681 places, 664 transitions, 36377 flow [2021-06-11 19:11:56,506 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 681 places, 664 transitions, 36377 flow [2021-06-11 19:11:56,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 680 places, 664 transitions, 36377 flow [2021-06-11 19:11:57,402 INFO L129 PetriNetUnfolder]: 280/3786 cut-off events. [2021-06-11 19:11:57,402 INFO L130 PetriNetUnfolder]: For 226729/226877 co-relation queries the response was YES. [2021-06-11 19:11:57,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34021 conditions, 3786 events. 280/3786 cut-off events. For 226729/226877 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 57659 event pairs, 0 based on Foata normal form. 4/3734 useless extension candidates. Maximal degree in co-relation 33838. Up to 560 conditions per place. [2021-06-11 19:11:57,493 INFO L151 LiptonReduction]: Number of co-enabled transitions 4204 [2021-06-11 19:11:57,556 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:11:57,556 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:11:57,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1050 [2021-06-11 19:11:57,556 INFO L480 AbstractCegarLoop]: Abstraction has has 680 places, 664 transitions, 36377 flow [2021-06-11 19:11:57,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:57,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:11:57,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:11:57,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-06-11 19:11:57,556 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:11:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:11:57,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2009725322, now seen corresponding path program 182 times [2021-06-11 19:11:57,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:11:57,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811236241] [2021-06-11 19:11:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:11:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:11:57,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:57,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:11:57,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:57,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:11:57,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:11:57,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:11:57,580 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:11:57,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:11:57,596 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:11:57,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:11:57,609 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:11:57,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:11:57,627 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:11:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:11:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:11:57,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811236241] [2021-06-11 19:11:57,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:11:57,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:11:57,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844996379] [2021-06-11 19:11:57,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:11:57,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:11:57,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:11:57,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:11:57,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:11:57,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 664 transitions, 36377 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:57,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:11:57,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:11:57,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:11:59,313 INFO L129 PetriNetUnfolder]: 308/3928 cut-off events. [2021-06-11 19:11:59,313 INFO L130 PetriNetUnfolder]: For 236841/236947 co-relation queries the response was YES. [2021-06-11 19:11:59,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36844 conditions, 3928 events. 308/3928 cut-off events. For 236841/236947 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59687 event pairs, 13 based on Foata normal form. 10/3882 useless extension candidates. Maximal degree in co-relation 36660. Up to 681 conditions per place. [2021-06-11 19:11:59,372 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 316 changer transitions 2/729 dead transitions. [2021-06-11 19:11:59,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 729 transitions, 40734 flow [2021-06-11 19:11:59,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:11:59,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:11:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:11:59,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:11:59,373 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:11:59,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:11:59,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:11:59,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:11:59,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:59,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:59,373 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:11:59,374 INFO L185 Difference]: Start difference. First operand has 680 places, 664 transitions, 36377 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:11:59,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 729 transitions, 40734 flow [2021-06-11 19:12:01,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 684 places, 729 transitions, 40467 flow, removed 74 selfloop flow, removed 3 redundant places. [2021-06-11 19:12:01,184 INFO L241 Difference]: Finished difference. Result has 689 places, 678 transitions, 37692 flow [2021-06-11 19:12:01,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=36131, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=37692, PETRI_PLACES=689, PETRI_TRANSITIONS=678} [2021-06-11 19:12:01,184 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-06-11 19:12:01,184 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:01,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 678 transitions, 37692 flow [2021-06-11 19:12:01,184 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 678 transitions, 37692 flow [2021-06-11 19:12:01,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 678 transitions, 37692 flow [2021-06-11 19:12:02,121 INFO L129 PetriNetUnfolder]: 288/3882 cut-off events. [2021-06-11 19:12:02,121 INFO L130 PetriNetUnfolder]: For 239790/239911 co-relation queries the response was YES. [2021-06-11 19:12:02,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35252 conditions, 3882 events. 288/3882 cut-off events. For 239790/239911 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59316 event pairs, 0 based on Foata normal form. 4/3828 useless extension candidates. Maximal degree in co-relation 35066. Up to 576 conditions per place. [2021-06-11 19:12:02,300 INFO L151 LiptonReduction]: Number of co-enabled transitions 4298 [2021-06-11 19:12:02,364 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:02,364 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:02,364 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1180 [2021-06-11 19:12:02,364 INFO L480 AbstractCegarLoop]: Abstraction has has 688 places, 678 transitions, 37692 flow [2021-06-11 19:12:02,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:02,364 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:02,364 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:02,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-06-11 19:12:02,365 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:02,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:02,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1139899074, now seen corresponding path program 183 times [2021-06-11 19:12:02,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:02,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984616874] [2021-06-11 19:12:02,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:02,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:02,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:02,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:02,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:02,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:12:02,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:12:02,394 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:12:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:12:02,408 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:12:02,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:12:02,425 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:02,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:02,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984616874] [2021-06-11 19:12:02,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:02,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:02,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967916583] [2021-06-11 19:12:02,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:02,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:02,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:02,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:02,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:02,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 678 transitions, 37692 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:02,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:02,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:02,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:04,231 INFO L129 PetriNetUnfolder]: 308/3947 cut-off events. [2021-06-11 19:12:04,232 INFO L130 PetriNetUnfolder]: For 245900/246003 co-relation queries the response was YES. [2021-06-11 19:12:04,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37428 conditions, 3947 events. 308/3947 cut-off events. For 245900/246003 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 60016 event pairs, 17 based on Foata normal form. 7/3897 useless extension candidates. Maximal degree in co-relation 37241. Up to 732 conditions per place. [2021-06-11 19:12:04,296 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 438 selfloop transitions, 306 changer transitions 2/760 dead transitions. [2021-06-11 19:12:04,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 760 transitions, 43079 flow [2021-06-11 19:12:04,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:04,297 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:04,297 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:04,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:04,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:04,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:04,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:04,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:04,298 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:04,298 INFO L185 Difference]: Start difference. First operand has 688 places, 678 transitions, 37692 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:04,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 760 transitions, 43079 flow [2021-06-11 19:12:06,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 760 transitions, 42583 flow, removed 35 selfloop flow, removed 4 redundant places. [2021-06-11 19:12:06,454 INFO L241 Difference]: Finished difference. Result has 697 places, 704 transitions, 39599 flow [2021-06-11 19:12:06,455 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=37220, PETRI_DIFFERENCE_MINUEND_PLACES=684, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=39599, PETRI_PLACES=697, PETRI_TRANSITIONS=704} [2021-06-11 19:12:06,455 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 659 predicate places. [2021-06-11 19:12:06,455 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:06,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 697 places, 704 transitions, 39599 flow [2021-06-11 19:12:06,455 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 697 places, 704 transitions, 39599 flow [2021-06-11 19:12:06,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 704 transitions, 39599 flow [2021-06-11 19:12:07,557 INFO L129 PetriNetUnfolder]: 290/3905 cut-off events. [2021-06-11 19:12:07,557 INFO L130 PetriNetUnfolder]: For 250971/251089 co-relation queries the response was YES. [2021-06-11 19:12:07,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35939 conditions, 3905 events. 290/3905 cut-off events. For 250971/251089 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59777 event pairs, 0 based on Foata normal form. 5/3855 useless extension candidates. Maximal degree in co-relation 35749. Up to 580 conditions per place. [2021-06-11 19:12:07,665 INFO L151 LiptonReduction]: Number of co-enabled transitions 4468 [2021-06-11 19:12:07,735 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:07,735 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:07,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1280 [2021-06-11 19:12:07,735 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 704 transitions, 39599 flow [2021-06-11 19:12:07,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:07,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:07,735 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:07,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-06-11 19:12:07,735 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:07,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:07,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1482690900, now seen corresponding path program 184 times [2021-06-11 19:12:07,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:07,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859491565] [2021-06-11 19:12:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:07,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:07,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:07,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:07,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:07,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:07,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:07,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:12:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:12:07,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:12:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:12:07,774 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:12:07,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:12:07,791 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:07,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859491565] [2021-06-11 19:12:07,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:07,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:07,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967266805] [2021-06-11 19:12:07,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:07,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:07,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:07,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:07,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:07,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 704 transitions, 39599 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:07,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:07,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:07,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:09,765 INFO L129 PetriNetUnfolder]: 307/3937 cut-off events. [2021-06-11 19:12:09,765 INFO L130 PetriNetUnfolder]: For 255386/255497 co-relation queries the response was YES. [2021-06-11 19:12:09,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37877 conditions, 3937 events. 307/3937 cut-off events. For 255386/255497 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59792 event pairs, 13 based on Foata normal form. 13/3893 useless extension candidates. Maximal degree in co-relation 37686. Up to 681 conditions per place. [2021-06-11 19:12:09,835 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 395 selfloop transitions, 331 changer transitions 0/740 dead transitions. [2021-06-11 19:12:09,835 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 740 transitions, 42732 flow [2021-06-11 19:12:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:09,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:09,837 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:09,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:09,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:09,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:09,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:09,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:09,838 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:09,838 INFO L185 Difference]: Start difference. First operand has 696 places, 704 transitions, 39599 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:09,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 740 transitions, 42732 flow [2021-06-11 19:12:12,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 699 places, 740 transitions, 42400 flow, removed 59 selfloop flow, removed 4 redundant places. [2021-06-11 19:12:12,212 INFO L241 Difference]: Finished difference. Result has 702 places, 731 transitions, 41636 flow [2021-06-11 19:12:12,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=39304, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41636, PETRI_PLACES=702, PETRI_TRANSITIONS=731} [2021-06-11 19:12:12,212 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-06-11 19:12:12,212 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:12,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 731 transitions, 41636 flow [2021-06-11 19:12:12,213 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 731 transitions, 41636 flow [2021-06-11 19:12:12,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 731 transitions, 41636 flow [2021-06-11 19:12:13,285 INFO L129 PetriNetUnfolder]: 290/3904 cut-off events. [2021-06-11 19:12:13,285 INFO L130 PetriNetUnfolder]: For 259595/259720 co-relation queries the response was YES. [2021-06-11 19:12:13,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36365 conditions, 3904 events. 290/3904 cut-off events. For 259595/259720 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59795 event pairs, 0 based on Foata normal form. 9/3858 useless extension candidates. Maximal degree in co-relation 36174. Up to 580 conditions per place. [2021-06-11 19:12:13,399 INFO L151 LiptonReduction]: Number of co-enabled transitions 4620 [2021-06-11 19:12:13,479 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:13,479 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:13,479 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1267 [2021-06-11 19:12:13,479 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 731 transitions, 41636 flow [2021-06-11 19:12:13,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:13,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:13,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:13,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-06-11 19:12:13,479 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:13,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:13,480 INFO L82 PathProgramCache]: Analyzing trace with hash 797139098, now seen corresponding path program 185 times [2021-06-11 19:12:13,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:13,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493259347] [2021-06-11 19:12:13,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:13,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:13,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:13,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:13,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:13,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:13,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:13,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:12:13,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:12:13,513 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:12:13,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:12:13,536 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:12:13,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:12:13,553 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:13,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:13,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493259347] [2021-06-11 19:12:13,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:13,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:13,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401613429] [2021-06-11 19:12:13,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:13,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:13,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:13,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:13,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:13,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 731 transitions, 41636 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:13,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:13,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:13,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:15,670 INFO L129 PetriNetUnfolder]: 307/3936 cut-off events. [2021-06-11 19:12:15,671 INFO L130 PetriNetUnfolder]: For 263701/263812 co-relation queries the response was YES. [2021-06-11 19:12:15,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38302 conditions, 3936 events. 307/3936 cut-off events. For 263701/263812 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59764 event pairs, 17 based on Foata normal form. 11/3889 useless extension candidates. Maximal degree in co-relation 38110. Up to 732 conditions per place. [2021-06-11 19:12:15,727 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 319 changer transitions 0/792 dead transitions. [2021-06-11 19:12:15,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 792 transitions, 46191 flow [2021-06-11 19:12:15,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:15,728 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:15,728 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:15,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:15,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:15,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:15,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:15,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:15,728 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:15,728 INFO L185 Difference]: Start difference. First operand has 702 places, 731 transitions, 41636 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:15,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 792 transitions, 46191 flow [2021-06-11 19:12:17,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 792 transitions, 45690 flow, removed 95 selfloop flow, removed 2 redundant places. [2021-06-11 19:12:17,896 INFO L241 Difference]: Finished difference. Result has 711 places, 746 transitions, 42892 flow [2021-06-11 19:12:17,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41191, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42892, PETRI_PLACES=711, PETRI_TRANSITIONS=746} [2021-06-11 19:12:17,896 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 673 predicate places. [2021-06-11 19:12:17,896 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:17,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 711 places, 746 transitions, 42892 flow [2021-06-11 19:12:17,896 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 711 places, 746 transitions, 42892 flow [2021-06-11 19:12:17,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 711 places, 746 transitions, 42892 flow [2021-06-11 19:12:18,979 INFO L129 PetriNetUnfolder]: 290/3903 cut-off events. [2021-06-11 19:12:18,979 INFO L130 PetriNetUnfolder]: For 266619/266749 co-relation queries the response was YES. [2021-06-11 19:12:19,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36934 conditions, 3903 events. 290/3903 cut-off events. For 266619/266749 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59756 event pairs, 0 based on Foata normal form. 9/3855 useless extension candidates. Maximal degree in co-relation 36739. Up to 580 conditions per place. [2021-06-11 19:12:19,081 INFO L151 LiptonReduction]: Number of co-enabled transitions 4684 [2021-06-11 19:12:19,166 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:19,166 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:19,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1270 [2021-06-11 19:12:19,167 INFO L480 AbstractCegarLoop]: Abstraction has has 711 places, 746 transitions, 42892 flow [2021-06-11 19:12:19,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:19,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:19,167 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:19,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-06-11 19:12:19,167 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:19,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:19,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2093644802, now seen corresponding path program 186 times [2021-06-11 19:12:19,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:19,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823709273] [2021-06-11 19:12:19,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:19,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:19,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:19,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:19,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:19,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:12:19,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:12:19,199 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:12:19,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:12:19,222 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:12:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:12:19,240 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:19,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:19,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823709273] [2021-06-11 19:12:19,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:19,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:19,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907481455] [2021-06-11 19:12:19,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:19,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:19,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:19,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:19,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:19,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 711 places, 746 transitions, 42892 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:19,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:19,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:19,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:21,247 INFO L129 PetriNetUnfolder]: 307/3935 cut-off events. [2021-06-11 19:12:21,247 INFO L130 PetriNetUnfolder]: For 270753/270865 co-relation queries the response was YES. [2021-06-11 19:12:21,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38871 conditions, 3935 events. 307/3935 cut-off events. For 270753/270865 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59817 event pairs, 13 based on Foata normal form. 13/3891 useless extension candidates. Maximal degree in co-relation 38675. Up to 681 conditions per place. [2021-06-11 19:12:21,315 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 330 changer transitions 0/767 dead transitions. [2021-06-11 19:12:21,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 767 transitions, 45280 flow [2021-06-11 19:12:21,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:21,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:21,316 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:21,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:21,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:21,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:21,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:21,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:21,317 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:21,317 INFO L185 Difference]: Start difference. First operand has 711 places, 746 transitions, 42892 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:21,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 767 transitions, 45280 flow [2021-06-11 19:12:23,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 767 transitions, 45014 flow, removed 56 selfloop flow, removed 1 redundant places. [2021-06-11 19:12:23,589 INFO L241 Difference]: Finished difference. Result has 719 places, 752 transitions, 43683 flow [2021-06-11 19:12:23,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42626, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43683, PETRI_PLACES=719, PETRI_TRANSITIONS=752} [2021-06-11 19:12:23,589 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 681 predicate places. [2021-06-11 19:12:23,589 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:23,589 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 719 places, 752 transitions, 43683 flow [2021-06-11 19:12:23,590 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 719 places, 752 transitions, 43683 flow [2021-06-11 19:12:23,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 719 places, 752 transitions, 43683 flow [2021-06-11 19:12:24,641 INFO L129 PetriNetUnfolder]: 290/3902 cut-off events. [2021-06-11 19:12:24,641 INFO L130 PetriNetUnfolder]: For 272755/272885 co-relation queries the response was YES. [2021-06-11 19:12:24,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37646 conditions, 3902 events. 290/3902 cut-off events. For 272755/272885 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59634 event pairs, 0 based on Foata normal form. 9/3856 useless extension candidates. Maximal degree in co-relation 37449. Up to 580 conditions per place. [2021-06-11 19:12:24,841 INFO L151 LiptonReduction]: Number of co-enabled transitions 4702 [2021-06-11 19:12:24,920 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:24,920 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:24,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1331 [2021-06-11 19:12:24,922 INFO L480 AbstractCegarLoop]: Abstraction has has 719 places, 752 transitions, 43683 flow [2021-06-11 19:12:24,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:24,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:24,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:24,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-06-11 19:12:24,922 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:24,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:24,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1438270516, now seen corresponding path program 187 times [2021-06-11 19:12:24,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:24,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869354929] [2021-06-11 19:12:24,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:24,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:24,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:24,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:24,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:24,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:24,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:24,945 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:12:24,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:12:24,961 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:12:24,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:12:24,975 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:12:24,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:12:24,994 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:24,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:25,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869354929] [2021-06-11 19:12:25,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:25,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:25,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262975022] [2021-06-11 19:12:25,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:25,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:25,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:25,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:25,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:25,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 752 transitions, 43683 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:25,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:25,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:25,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:27,109 INFO L129 PetriNetUnfolder]: 307/3934 cut-off events. [2021-06-11 19:12:27,109 INFO L130 PetriNetUnfolder]: For 277341/277455 co-relation queries the response was YES. [2021-06-11 19:12:27,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39585 conditions, 3934 events. 307/3934 cut-off events. For 277341/277455 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59785 event pairs, 13 based on Foata normal form. 14/3891 useless extension candidates. Maximal degree in co-relation 39387. Up to 681 conditions per place. [2021-06-11 19:12:27,176 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 424 selfloop transitions, 327 changer transitions 3/768 dead transitions. [2021-06-11 19:12:27,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 768 transitions, 45793 flow [2021-06-11 19:12:27,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:27,177 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:27,177 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:27,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:27,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:27,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:27,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:27,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:27,178 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:27,178 INFO L185 Difference]: Start difference. First operand has 719 places, 752 transitions, 43683 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:27,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 768 transitions, 45793 flow [2021-06-11 19:12:29,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 768 transitions, 45138 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-06-11 19:12:29,558 INFO L241 Difference]: Finished difference. Result has 724 places, 750 transitions, 43602 flow [2021-06-11 19:12:29,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43028, PETRI_DIFFERENCE_MINUEND_PLACES=715, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43602, PETRI_PLACES=724, PETRI_TRANSITIONS=750} [2021-06-11 19:12:29,558 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 686 predicate places. [2021-06-11 19:12:29,558 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:29,559 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 750 transitions, 43602 flow [2021-06-11 19:12:29,559 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 750 transitions, 43602 flow [2021-06-11 19:12:29,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 723 places, 750 transitions, 43602 flow [2021-06-11 19:12:30,654 INFO L129 PetriNetUnfolder]: 289/3891 cut-off events. [2021-06-11 19:12:30,654 INFO L130 PetriNetUnfolder]: For 274490/274620 co-relation queries the response was YES. [2021-06-11 19:12:30,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37968 conditions, 3891 events. 289/3891 cut-off events. For 274490/274620 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59494 event pairs, 0 based on Foata normal form. 9/3843 useless extension candidates. Maximal degree in co-relation 37770. Up to 578 conditions per place. [2021-06-11 19:12:30,760 INFO L151 LiptonReduction]: Number of co-enabled transitions 4698 [2021-06-11 19:12:30,838 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:30,838 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:30,838 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1280 [2021-06-11 19:12:30,839 INFO L480 AbstractCegarLoop]: Abstraction has has 723 places, 750 transitions, 43602 flow [2021-06-11 19:12:30,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:30,839 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:30,839 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:30,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-06-11 19:12:30,839 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:30,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:30,839 INFO L82 PathProgramCache]: Analyzing trace with hash -22014620, now seen corresponding path program 188 times [2021-06-11 19:12:30,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:30,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439106087] [2021-06-11 19:12:30,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:30,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:30,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:30,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:30,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:30,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:30,855 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:12:30,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:12:30,864 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:12:30,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:12:30,878 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:12:30,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:12:30,896 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:30,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:30,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439106087] [2021-06-11 19:12:30,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:30,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:30,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639229820] [2021-06-11 19:12:30,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:30,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:30,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:30,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:30,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:30,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 723 places, 750 transitions, 43602 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:30,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:30,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:30,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:32,941 INFO L129 PetriNetUnfolder]: 306/3923 cut-off events. [2021-06-11 19:12:32,941 INFO L130 PetriNetUnfolder]: For 279510/279624 co-relation queries the response was YES. [2021-06-11 19:12:33,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39902 conditions, 3923 events. 306/3923 cut-off events. For 279510/279624 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59595 event pairs, 13 based on Foata normal form. 14/3881 useless extension candidates. Maximal degree in co-relation 39703. Up to 681 conditions per place. [2021-06-11 19:12:33,011 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 398 selfloop transitions, 347 changer transitions 0/759 dead transitions. [2021-06-11 19:12:33,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 759 transitions, 45364 flow [2021-06-11 19:12:33,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:33,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:33,012 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:33,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:33,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:33,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:33,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:33,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:33,013 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:33,013 INFO L185 Difference]: Start difference. First operand has 723 places, 750 transitions, 43602 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:33,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 759 transitions, 45364 flow [2021-06-11 19:12:35,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 759 transitions, 44703 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-06-11 19:12:35,430 INFO L241 Difference]: Finished difference. Result has 726 places, 750 transitions, 43646 flow [2021-06-11 19:12:35,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42949, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43646, PETRI_PLACES=726, PETRI_TRANSITIONS=750} [2021-06-11 19:12:35,430 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 688 predicate places. [2021-06-11 19:12:35,430 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:35,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 750 transitions, 43646 flow [2021-06-11 19:12:35,431 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 750 transitions, 43646 flow [2021-06-11 19:12:35,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 726 places, 750 transitions, 43646 flow [2021-06-11 19:12:36,523 INFO L129 PetriNetUnfolder]: 289/3890 cut-off events. [2021-06-11 19:12:36,524 INFO L130 PetriNetUnfolder]: For 274393/274522 co-relation queries the response was YES. [2021-06-11 19:12:36,582 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37996 conditions, 3890 events. 289/3890 cut-off events. For 274393/274522 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59509 event pairs, 0 based on Foata normal form. 9/3843 useless extension candidates. Maximal degree in co-relation 37798. Up to 578 conditions per place. [2021-06-11 19:12:36,629 INFO L151 LiptonReduction]: Number of co-enabled transitions 4698 [2021-06-11 19:12:36,715 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:36,716 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:36,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1286 [2021-06-11 19:12:36,716 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 750 transitions, 43646 flow [2021-06-11 19:12:36,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:36,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:36,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:36,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-06-11 19:12:36,716 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:36,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:36,717 INFO L82 PathProgramCache]: Analyzing trace with hash 2126781916, now seen corresponding path program 189 times [2021-06-11 19:12:36,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:36,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256102920] [2021-06-11 19:12:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:36,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:36,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:36,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:36,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:36,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:36,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:36,732 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:12:36,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:12:36,742 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:12:36,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:12:36,764 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:12:36,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:12:36,783 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:36,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:36,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256102920] [2021-06-11 19:12:36,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:36,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:36,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880124834] [2021-06-11 19:12:36,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:36,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:36,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:36,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:36,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:36,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 750 transitions, 43646 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:36,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:36,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:36,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:38,919 INFO L129 PetriNetUnfolder]: 306/3922 cut-off events. [2021-06-11 19:12:38,919 INFO L130 PetriNetUnfolder]: For 279379/279492 co-relation queries the response was YES. [2021-06-11 19:12:38,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39929 conditions, 3922 events. 306/3922 cut-off events. For 279379/279492 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59581 event pairs, 13 based on Foata normal form. 14/3880 useless extension candidates. Maximal degree in co-relation 39730. Up to 681 conditions per place. [2021-06-11 19:12:38,986 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-06-11 19:12:38,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 759 transitions, 45408 flow [2021-06-11 19:12:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:38,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:38,987 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:38,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:38,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:38,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:38,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:38,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:38,988 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:38,988 INFO L185 Difference]: Start difference. First operand has 726 places, 750 transitions, 43646 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:38,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 759 transitions, 45408 flow [2021-06-11 19:12:41,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 759 transitions, 44948 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-06-11 19:12:41,213 INFO L241 Difference]: Finished difference. Result has 732 places, 750 transitions, 43877 flow [2021-06-11 19:12:41,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43186, PETRI_DIFFERENCE_MINUEND_PLACES=724, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43877, PETRI_PLACES=732, PETRI_TRANSITIONS=750} [2021-06-11 19:12:41,213 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 694 predicate places. [2021-06-11 19:12:41,214 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:41,214 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 732 places, 750 transitions, 43877 flow [2021-06-11 19:12:41,214 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 732 places, 750 transitions, 43877 flow [2021-06-11 19:12:41,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 732 places, 750 transitions, 43877 flow [2021-06-11 19:12:42,282 INFO L129 PetriNetUnfolder]: 289/3889 cut-off events. [2021-06-11 19:12:42,282 INFO L130 PetriNetUnfolder]: For 278427/278569 co-relation queries the response was YES. [2021-06-11 19:12:42,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38604 conditions, 3889 events. 289/3889 cut-off events. For 278427/278569 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59520 event pairs, 0 based on Foata normal form. 9/3841 useless extension candidates. Maximal degree in co-relation 38405. Up to 578 conditions per place. [2021-06-11 19:12:42,382 INFO L151 LiptonReduction]: Number of co-enabled transitions 4698 [2021-06-11 19:12:42,472 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:42,472 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:42,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1258 [2021-06-11 19:12:42,472 INFO L480 AbstractCegarLoop]: Abstraction has has 732 places, 750 transitions, 43877 flow [2021-06-11 19:12:42,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:42,473 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:42,473 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:42,473 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-06-11 19:12:42,473 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:42,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:42,473 INFO L82 PathProgramCache]: Analyzing trace with hash -2138277896, now seen corresponding path program 190 times [2021-06-11 19:12:42,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:42,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586657737] [2021-06-11 19:12:42,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:42,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:42,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:42,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:42,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:42,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:42,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:42,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:12:42,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:12:42,498 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:12:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:12:42,520 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:12:42,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:12:42,537 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:42,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:42,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586657737] [2021-06-11 19:12:42,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:42,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:42,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554566758] [2021-06-11 19:12:42,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:42,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:42,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:42,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:42,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:42,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 732 places, 750 transitions, 43877 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:42,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:42,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:42,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:44,456 INFO L129 PetriNetUnfolder]: 306/3921 cut-off events. [2021-06-11 19:12:44,456 INFO L130 PetriNetUnfolder]: For 283703/283814 co-relation queries the response was YES. [2021-06-11 19:12:44,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40539 conditions, 3921 events. 306/3921 cut-off events. For 283703/283814 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59505 event pairs, 13 based on Foata normal form. 13/3877 useless extension candidates. Maximal degree in co-relation 40339. Up to 681 conditions per place. [2021-06-11 19:12:44,521 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-06-11 19:12:44,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 759 transitions, 45647 flow [2021-06-11 19:12:44,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:44,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:44,522 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:44,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:44,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:44,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:44,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:44,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:44,522 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:44,522 INFO L185 Difference]: Start difference. First operand has 732 places, 750 transitions, 43877 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:44,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 759 transitions, 45647 flow [2021-06-11 19:12:46,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 736 places, 759 transitions, 45040 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-06-11 19:12:46,980 INFO L241 Difference]: Finished difference. Result has 737 places, 750 transitions, 43961 flow [2021-06-11 19:12:46,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43270, PETRI_DIFFERENCE_MINUEND_PLACES=729, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43961, PETRI_PLACES=737, PETRI_TRANSITIONS=750} [2021-06-11 19:12:46,981 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 699 predicate places. [2021-06-11 19:12:46,981 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:46,981 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 737 places, 750 transitions, 43961 flow [2021-06-11 19:12:46,981 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 737 places, 750 transitions, 43961 flow [2021-06-11 19:12:46,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 750 transitions, 43961 flow [2021-06-11 19:12:48,119 INFO L129 PetriNetUnfolder]: 289/3888 cut-off events. [2021-06-11 19:12:48,119 INFO L130 PetriNetUnfolder]: For 282224/282353 co-relation queries the response was YES. [2021-06-11 19:12:48,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39061 conditions, 3888 events. 289/3888 cut-off events. For 282224/282353 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59426 event pairs, 0 based on Foata normal form. 9/3841 useless extension candidates. Maximal degree in co-relation 38861. Up to 578 conditions per place. [2021-06-11 19:12:48,217 INFO L151 LiptonReduction]: Number of co-enabled transitions 4698 [2021-06-11 19:12:48,295 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:48,295 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:48,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1314 [2021-06-11 19:12:48,295 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 750 transitions, 43961 flow [2021-06-11 19:12:48,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:48,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:48,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:48,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-06-11 19:12:48,295 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:48,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:48,296 INFO L82 PathProgramCache]: Analyzing trace with hash 370728886, now seen corresponding path program 191 times [2021-06-11 19:12:48,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:48,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192283704] [2021-06-11 19:12:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:48,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:48,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:48,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:48,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:48,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:48,312 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:12:48,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:12:48,328 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:12:48,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:12:48,350 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:12:48,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:12:48,368 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:48,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:48,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192283704] [2021-06-11 19:12:48,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:48,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:48,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447495012] [2021-06-11 19:12:48,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:48,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:48,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:48,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:48,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:48,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 737 places, 750 transitions, 43961 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:48,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:48,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:48,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:50,407 INFO L129 PetriNetUnfolder]: 306/3920 cut-off events. [2021-06-11 19:12:50,407 INFO L130 PetriNetUnfolder]: For 288194/288305 co-relation queries the response was YES. [2021-06-11 19:12:50,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40994 conditions, 3920 events. 306/3920 cut-off events. For 288194/288305 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59472 event pairs, 13 based on Foata normal form. 13/3876 useless extension candidates. Maximal degree in co-relation 40793. Up to 681 conditions per place. [2021-06-11 19:12:50,477 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 422 selfloop transitions, 324 changer transitions 5/765 dead transitions. [2021-06-11 19:12:50,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 765 transitions, 46051 flow [2021-06-11 19:12:50,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:50,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:50,478 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:50,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:50,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:50,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:50,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:50,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:50,479 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:50,479 INFO L185 Difference]: Start difference. First operand has 737 places, 750 transitions, 43961 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:50,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 765 transitions, 46051 flow [2021-06-11 19:12:53,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 765 transitions, 45375 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-06-11 19:12:53,050 INFO L241 Difference]: Finished difference. Result has 741 places, 748 transitions, 43843 flow [2021-06-11 19:12:53,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43285, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43843, PETRI_PLACES=741, PETRI_TRANSITIONS=748} [2021-06-11 19:12:53,051 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-06-11 19:12:53,051 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:53,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 748 transitions, 43843 flow [2021-06-11 19:12:53,051 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 748 transitions, 43843 flow [2021-06-11 19:12:53,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 748 transitions, 43843 flow [2021-06-11 19:12:54,110 INFO L129 PetriNetUnfolder]: 288/3871 cut-off events. [2021-06-11 19:12:54,111 INFO L130 PetriNetUnfolder]: For 285367/285496 co-relation queries the response was YES. [2021-06-11 19:12:54,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39253 conditions, 3871 events. 288/3871 cut-off events. For 285367/285496 co-relation queries the response was YES. Maximal size of possible extension queue 700. Compared 59187 event pairs, 0 based on Foata normal form. 9/3824 useless extension candidates. Maximal degree in co-relation 39051. Up to 576 conditions per place. [2021-06-11 19:12:54,224 INFO L151 LiptonReduction]: Number of co-enabled transitions 4680 [2021-06-11 19:12:54,310 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:12:54,310 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:12:54,310 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1259 [2021-06-11 19:12:54,310 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 748 transitions, 43843 flow [2021-06-11 19:12:54,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:54,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:12:54,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:12:54,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-06-11 19:12:54,311 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:12:54,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:12:54,311 INFO L82 PathProgramCache]: Analyzing trace with hash -2135869928, now seen corresponding path program 192 times [2021-06-11 19:12:54,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:12:54,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106083930] [2021-06-11 19:12:54,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:12:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:12:54,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:12:54,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:12:54,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:12:54,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:12:54,326 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:12:54,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:12:54,342 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:12:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:12:54,361 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:12:54,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:12:54,379 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:12:54,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:12:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:12:54,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106083930] [2021-06-11 19:12:54,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:12:54,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:12:54,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127365698] [2021-06-11 19:12:54,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:12:54,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:12:54,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:12:54,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:12:54,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:12:54,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 748 transitions, 43843 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:54,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:12:54,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:12:54,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:12:56,477 INFO L129 PetriNetUnfolder]: 305/3903 cut-off events. [2021-06-11 19:12:56,477 INFO L130 PetriNetUnfolder]: For 291505/291618 co-relation queries the response was YES. [2021-06-11 19:12:56,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41179 conditions, 3903 events. 305/3903 cut-off events. For 291505/291618 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 59186 event pairs, 13 based on Foata normal form. 14/3861 useless extension candidates. Maximal degree in co-relation 40976. Up to 681 conditions per place. [2021-06-11 19:12:56,538 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 417 selfloop transitions, 327 changer transitions 2/760 dead transitions. [2021-06-11 19:12:56,538 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 760 transitions, 45753 flow [2021-06-11 19:12:56,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:12:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:12:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:12:56,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:12:56,539 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:12:56,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:12:56,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:12:56,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:12:56,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:56,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:56,540 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:12:56,540 INFO L185 Difference]: Start difference. First operand has 739 places, 748 transitions, 43843 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:12:56,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 760 transitions, 45753 flow [2021-06-11 19:12:58,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 760 transitions, 44819 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-06-11 19:12:58,839 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43653 flow [2021-06-11 19:12:58,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42925, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43653, PETRI_PLACES=741, PETRI_TRANSITIONS=749} [2021-06-11 19:12:58,839 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-06-11 19:12:58,839 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:12:58,839 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43653 flow [2021-06-11 19:12:58,839 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43653 flow [2021-06-11 19:12:58,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 749 transitions, 43653 flow [2021-06-11 19:12:59,911 INFO L129 PetriNetUnfolder]: 287/3861 cut-off events. [2021-06-11 19:12:59,911 INFO L130 PetriNetUnfolder]: For 279076/279206 co-relation queries the response was YES. [2021-06-11 19:12:59,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38665 conditions, 3861 events. 287/3861 cut-off events. For 279076/279206 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 58962 event pairs, 0 based on Foata normal form. 9/3814 useless extension candidates. Maximal degree in co-relation 38463. Up to 574 conditions per place. [2021-06-11 19:13:00,015 INFO L151 LiptonReduction]: Number of co-enabled transitions 4684 [2021-06-11 19:13:00,102 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:00,102 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:00,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1263 [2021-06-11 19:13:00,102 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 749 transitions, 43653 flow [2021-06-11 19:13:00,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:00,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:00,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:00,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-06-11 19:13:00,102 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:00,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:00,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1924203468, now seen corresponding path program 193 times [2021-06-11 19:13:00,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:00,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635607804] [2021-06-11 19:13:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:00,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:00,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:00,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:00,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:00,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:00,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:13:00,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:13:00,128 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:13:00,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:13:00,143 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:00,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:00,161 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:00,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:00,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635607804] [2021-06-11 19:13:00,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:00,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:00,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553356707] [2021-06-11 19:13:00,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:00,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:00,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:00,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:00,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:00,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 749 transitions, 43653 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:00,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:00,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:00,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:02,110 INFO L129 PetriNetUnfolder]: 304/3893 cut-off events. [2021-06-11 19:13:02,111 INFO L130 PetriNetUnfolder]: For 284750/284863 co-relation queries the response was YES. [2021-06-11 19:13:02,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40589 conditions, 3893 events. 304/3893 cut-off events. For 284750/284863 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 58990 event pairs, 13 based on Foata normal form. 14/3850 useless extension candidates. Maximal degree in co-relation 40386. Up to 681 conditions per place. [2021-06-11 19:13:02,174 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 347 changer transitions 0/758 dead transitions. [2021-06-11 19:13:02,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 758 transitions, 45429 flow [2021-06-11 19:13:02,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:02,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:02,175 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:02,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:02,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:02,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:02,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:02,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:02,176 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:02,176 INFO L185 Difference]: Start difference. First operand has 739 places, 749 transitions, 43653 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:02,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 758 transitions, 45429 flow [2021-06-11 19:13:04,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 740 places, 758 transitions, 44743 flow, removed 21 selfloop flow, removed 6 redundant places. [2021-06-11 19:13:04,480 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43672 flow [2021-06-11 19:13:04,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42975, PETRI_DIFFERENCE_MINUEND_PLACES=733, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43672, PETRI_PLACES=741, PETRI_TRANSITIONS=749} [2021-06-11 19:13:04,480 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-06-11 19:13:04,481 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:04,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43672 flow [2021-06-11 19:13:04,481 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43672 flow [2021-06-11 19:13:04,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 741 places, 749 transitions, 43672 flow [2021-06-11 19:13:05,635 INFO L129 PetriNetUnfolder]: 287/3860 cut-off events. [2021-06-11 19:13:05,636 INFO L130 PetriNetUnfolder]: For 278910/279072 co-relation queries the response was YES. [2021-06-11 19:13:05,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38667 conditions, 3860 events. 287/3860 cut-off events. For 278910/279072 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 58862 event pairs, 0 based on Foata normal form. 8/3809 useless extension candidates. Maximal degree in co-relation 38466. Up to 574 conditions per place. [2021-06-11 19:13:05,733 INFO L151 LiptonReduction]: Number of co-enabled transitions 4684 [2021-06-11 19:13:05,813 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:05,813 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:05,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1332 [2021-06-11 19:13:05,813 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 749 transitions, 43672 flow [2021-06-11 19:13:05,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:05,813 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:05,813 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:05,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-06-11 19:13:05,814 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:05,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:05,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1919369334, now seen corresponding path program 194 times [2021-06-11 19:13:05,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:05,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351926538] [2021-06-11 19:13:05,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:05,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:05,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:05,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:05,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:05,835 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:13:05,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:13:05,844 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:13:05,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:13:05,857 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:05,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:05,876 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:05,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:05,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351926538] [2021-06-11 19:13:05,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:05,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:05,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400414253] [2021-06-11 19:13:05,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:05,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:05,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:05,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:05,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:05,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 749 transitions, 43672 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:05,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:05,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:05,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:07,968 INFO L129 PetriNetUnfolder]: 304/3892 cut-off events. [2021-06-11 19:13:07,968 INFO L130 PetriNetUnfolder]: For 284102/284215 co-relation queries the response was YES. [2021-06-11 19:13:08,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40590 conditions, 3892 events. 304/3892 cut-off events. For 284102/284215 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 59124 event pairs, 13 based on Foata normal form. 14/3849 useless extension candidates. Maximal degree in co-relation 40388. Up to 681 conditions per place. [2021-06-11 19:13:08,035 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 392 selfloop transitions, 337 changer transitions 15/758 dead transitions. [2021-06-11 19:13:08,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 758 transitions, 45448 flow [2021-06-11 19:13:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:08,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:08,036 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:08,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:08,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:08,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:08,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:08,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:08,037 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:08,037 INFO L185 Difference]: Start difference. First operand has 741 places, 749 transitions, 43672 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:08,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 758 transitions, 45448 flow [2021-06-11 19:13:10,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 758 transitions, 44786 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:13:10,447 INFO L241 Difference]: Finished difference. Result has 745 places, 734 transitions, 42588 flow [2021-06-11 19:13:10,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43010, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42588, PETRI_PLACES=745, PETRI_TRANSITIONS=734} [2021-06-11 19:13:10,447 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-06-11 19:13:10,448 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:10,448 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 734 transitions, 42588 flow [2021-06-11 19:13:10,448 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 734 transitions, 42588 flow [2021-06-11 19:13:10,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 738 places, 734 transitions, 42588 flow [2021-06-11 19:13:11,488 INFO L129 PetriNetUnfolder]: 286/3818 cut-off events. [2021-06-11 19:13:11,488 INFO L130 PetriNetUnfolder]: For 277240/277379 co-relation queries the response was YES. [2021-06-11 19:13:11,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38401 conditions, 3818 events. 286/3818 cut-off events. For 277240/277379 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58057 event pairs, 0 based on Foata normal form. 9/3772 useless extension candidates. Maximal degree in co-relation 38199. Up to 572 conditions per place. [2021-06-11 19:13:11,589 INFO L151 LiptonReduction]: Number of co-enabled transitions 4528 [2021-06-11 19:13:11,664 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:11,664 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:11,664 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1216 [2021-06-11 19:13:11,664 INFO L480 AbstractCegarLoop]: Abstraction has has 738 places, 734 transitions, 42588 flow [2021-06-11 19:13:11,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:11,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:11,664 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:11,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-06-11 19:13:11,665 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:11,665 INFO L82 PathProgramCache]: Analyzing trace with hash 108441218, now seen corresponding path program 195 times [2021-06-11 19:13:11,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:11,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947263024] [2021-06-11 19:13:11,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:11,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:11,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:11,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:11,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:11,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:11,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:11,681 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:13:11,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:13:11,696 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:13:11,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:13:11,716 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:13:11,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:13:11,734 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:11,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:11,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947263024] [2021-06-11 19:13:11,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:11,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:11,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865351303] [2021-06-11 19:13:11,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:11,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:11,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:11,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:11,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:11,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 738 places, 734 transitions, 42588 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:11,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:11,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:11,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:13,698 INFO L129 PetriNetUnfolder]: 303/3850 cut-off events. [2021-06-11 19:13:13,699 INFO L130 PetriNetUnfolder]: For 283253/283364 co-relation queries the response was YES. [2021-06-11 19:13:13,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40306 conditions, 3850 events. 303/3850 cut-off events. For 283253/283364 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58192 event pairs, 13 based on Foata normal form. 13/3809 useless extension candidates. Maximal degree in co-relation 40103. Up to 681 conditions per place. [2021-06-11 19:13:13,766 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 389 selfloop transitions, 338 changer transitions 2/743 dead transitions. [2021-06-11 19:13:13,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 745 places, 743 transitions, 44342 flow [2021-06-11 19:13:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:13,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:13,767 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:13,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:13,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:13,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:13,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:13,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:13,768 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:13,768 INFO L185 Difference]: Start difference. First operand has 738 places, 734 transitions, 42588 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:13,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 745 places, 743 transitions, 44342 flow [2021-06-11 19:13:16,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 734 places, 743 transitions, 43616 flow, removed 32 selfloop flow, removed 11 redundant places. [2021-06-11 19:13:16,107 INFO L241 Difference]: Finished difference. Result has 736 places, 734 transitions, 42627 flow [2021-06-11 19:13:16,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41910, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42627, PETRI_PLACES=736, PETRI_TRANSITIONS=734} [2021-06-11 19:13:16,108 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 698 predicate places. [2021-06-11 19:13:16,108 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:16,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 736 places, 734 transitions, 42627 flow [2021-06-11 19:13:16,108 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 736 places, 734 transitions, 42627 flow [2021-06-11 19:13:16,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 735 places, 734 transitions, 42627 flow [2021-06-11 19:13:17,137 INFO L129 PetriNetUnfolder]: 285/3808 cut-off events. [2021-06-11 19:13:17,138 INFO L130 PetriNetUnfolder]: For 260912/261042 co-relation queries the response was YES. [2021-06-11 19:13:17,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36455 conditions, 3808 events. 285/3808 cut-off events. For 260912/261042 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 57977 event pairs, 0 based on Foata normal form. 9/3765 useless extension candidates. Maximal degree in co-relation 36258. Up to 570 conditions per place. [2021-06-11 19:13:17,242 INFO L151 LiptonReduction]: Number of co-enabled transitions 4528 [2021-06-11 19:13:17,322 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:17,322 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:17,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1214 [2021-06-11 19:13:17,323 INFO L480 AbstractCegarLoop]: Abstraction has has 735 places, 734 transitions, 42627 flow [2021-06-11 19:13:17,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:17,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:17,323 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:17,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-06-11 19:13:17,323 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:17,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:17,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1079292340, now seen corresponding path program 196 times [2021-06-11 19:13:17,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:17,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524470372] [2021-06-11 19:13:17,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:17,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:17,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:17,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:17,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:17,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:17,343 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:13:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:13:17,357 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:13:17,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:13:17,378 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:17,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:17,396 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:17,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:17,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524470372] [2021-06-11 19:13:17,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:17,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:17,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582914868] [2021-06-11 19:13:17,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:17,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:17,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:17,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:17,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:17,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 735 places, 734 transitions, 42627 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:17,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:17,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:17,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:19,427 INFO L129 PetriNetUnfolder]: 302/3840 cut-off events. [2021-06-11 19:13:19,428 INFO L130 PetriNetUnfolder]: For 265047/265160 co-relation queries the response was YES. [2021-06-11 19:13:19,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38362 conditions, 3840 events. 302/3840 cut-off events. For 265047/265160 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 58030 event pairs, 13 based on Foata normal form. 14/3801 useless extension candidates. Maximal degree in co-relation 38164. Up to 681 conditions per place. [2021-06-11 19:13:19,490 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 388 selfloop transitions, 336 changer transitions 3/741 dead transitions. [2021-06-11 19:13:19,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 742 places, 741 transitions, 44251 flow [2021-06-11 19:13:19,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:19,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:19,492 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:19,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:19,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:19,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:19,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:19,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:19,493 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:19,493 INFO L185 Difference]: Start difference. First operand has 735 places, 734 transitions, 42627 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:19,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 742 places, 741 transitions, 44251 flow [2021-06-11 19:13:21,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 737 places, 741 transitions, 43604 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-06-11 19:13:21,665 INFO L241 Difference]: Finished difference. Result has 738 places, 731 transitions, 42489 flow [2021-06-11 19:13:21,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41988, PETRI_DIFFERENCE_MINUEND_PLACES=730, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42489, PETRI_PLACES=738, PETRI_TRANSITIONS=731} [2021-06-11 19:13:21,666 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 700 predicate places. [2021-06-11 19:13:21,666 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:21,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 738 places, 731 transitions, 42489 flow [2021-06-11 19:13:21,666 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 738 places, 731 transitions, 42489 flow [2021-06-11 19:13:21,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 731 transitions, 42489 flow [2021-06-11 19:13:22,690 INFO L129 PetriNetUnfolder]: 284/3797 cut-off events. [2021-06-11 19:13:22,690 INFO L130 PetriNetUnfolder]: For 259511/259641 co-relation queries the response was YES. [2021-06-11 19:13:22,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36407 conditions, 3797 events. 284/3797 cut-off events. For 259511/259641 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57722 event pairs, 0 based on Foata normal form. 9/3751 useless extension candidates. Maximal degree in co-relation 36211. Up to 568 conditions per place. [2021-06-11 19:13:22,793 INFO L151 LiptonReduction]: Number of co-enabled transitions 4512 [2021-06-11 19:13:22,876 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:22,876 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:22,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1210 [2021-06-11 19:13:22,876 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 731 transitions, 42489 flow [2021-06-11 19:13:22,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:22,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:22,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:22,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-06-11 19:13:22,876 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:22,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:22,877 INFO L82 PathProgramCache]: Analyzing trace with hash -945786664, now seen corresponding path program 197 times [2021-06-11 19:13:22,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:22,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599414422] [2021-06-11 19:13:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:22,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:22,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:22,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:22,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:22,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:22,893 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:13:22,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:13:22,907 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:13:22,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:13:22,921 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:22,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:22,939 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:22,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:22,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599414422] [2021-06-11 19:13:22,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:22,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:22,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100084476] [2021-06-11 19:13:22,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:22,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:22,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:22,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:22,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:22,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 737 places, 731 transitions, 42489 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:22,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:22,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:22,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:24,804 INFO L129 PetriNetUnfolder]: 301/3829 cut-off events. [2021-06-11 19:13:24,805 INFO L130 PetriNetUnfolder]: For 263678/263791 co-relation queries the response was YES. [2021-06-11 19:13:24,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38310 conditions, 3829 events. 301/3829 cut-off events. For 263678/263791 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57869 event pairs, 13 based on Foata normal form. 14/3790 useless extension candidates. Maximal degree in co-relation 38113. Up to 681 conditions per place. [2021-06-11 19:13:24,867 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 381 selfloop transitions, 343 changer transitions 0/738 dead transitions. [2021-06-11 19:13:24,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 738 transitions, 44107 flow [2021-06-11 19:13:24,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:24,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:24,868 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:24,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:24,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:24,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:24,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:24,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:24,869 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:24,869 INFO L185 Difference]: Start difference. First operand has 737 places, 731 transitions, 42489 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:24,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 738 transitions, 44107 flow [2021-06-11 19:13:27,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 738 transitions, 43437 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:13:27,124 INFO L241 Difference]: Finished difference. Result has 740 places, 731 transitions, 42516 flow [2021-06-11 19:13:27,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41827, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=343, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42516, PETRI_PLACES=740, PETRI_TRANSITIONS=731} [2021-06-11 19:13:27,125 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 702 predicate places. [2021-06-11 19:13:27,125 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:27,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 740 places, 731 transitions, 42516 flow [2021-06-11 19:13:27,125 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 740 places, 731 transitions, 42516 flow [2021-06-11 19:13:27,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 731 transitions, 42516 flow [2021-06-11 19:13:28,212 INFO L129 PetriNetUnfolder]: 284/3796 cut-off events. [2021-06-11 19:13:28,212 INFO L130 PetriNetUnfolder]: For 259379/259508 co-relation queries the response was YES. [2021-06-11 19:13:28,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36424 conditions, 3796 events. 284/3796 cut-off events. For 259379/259508 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57703 event pairs, 0 based on Foata normal form. 9/3751 useless extension candidates. Maximal degree in co-relation 36228. Up to 568 conditions per place. [2021-06-11 19:13:28,302 INFO L151 LiptonReduction]: Number of co-enabled transitions 4512 [2021-06-11 19:13:28,377 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:28,377 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:28,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1252 [2021-06-11 19:13:28,377 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 731 transitions, 42516 flow [2021-06-11 19:13:28,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:28,377 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:28,377 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:28,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-06-11 19:13:28,377 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:28,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:28,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1382576628, now seen corresponding path program 198 times [2021-06-11 19:13:28,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:28,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875061678] [2021-06-11 19:13:28,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:28,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:28,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:28,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:28,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:28,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:28,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:28,395 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:13:28,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:13:28,410 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:13:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:13:28,425 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:13:28,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:13:28,444 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:28,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:28,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875061678] [2021-06-11 19:13:28,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:28,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:28,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248258516] [2021-06-11 19:13:28,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:28,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:28,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:28,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:28,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:28,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 731 transitions, 42516 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:28,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:28,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:28,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:30,357 INFO L129 PetriNetUnfolder]: 301/3828 cut-off events. [2021-06-11 19:13:30,357 INFO L130 PetriNetUnfolder]: For 263673/263786 co-relation queries the response was YES. [2021-06-11 19:13:30,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38326 conditions, 3828 events. 301/3828 cut-off events. For 263673/263786 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57843 event pairs, 13 based on Foata normal form. 14/3788 useless extension candidates. Maximal degree in co-relation 38129. Up to 681 conditions per place. [2021-06-11 19:13:30,423 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 383 selfloop transitions, 336 changer transitions 5/738 dead transitions. [2021-06-11 19:13:30,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 738 transitions, 44134 flow [2021-06-11 19:13:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:30,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:30,424 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:30,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:30,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:30,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:30,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:30,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:30,425 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:30,425 INFO L185 Difference]: Start difference. First operand has 740 places, 731 transitions, 42516 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:30,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 738 transitions, 44134 flow [2021-06-11 19:13:32,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 738 transitions, 43415 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-06-11 19:13:32,679 INFO L241 Difference]: Finished difference. Result has 743 places, 726 transitions, 42123 flow [2021-06-11 19:13:32,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41797, PETRI_DIFFERENCE_MINUEND_PLACES=735, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42123, PETRI_PLACES=743, PETRI_TRANSITIONS=726} [2021-06-11 19:13:32,680 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 705 predicate places. [2021-06-11 19:13:32,680 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:32,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 743 places, 726 transitions, 42123 flow [2021-06-11 19:13:32,680 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 743 places, 726 transitions, 42123 flow [2021-06-11 19:13:32,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 726 transitions, 42123 flow [2021-06-11 19:13:33,702 INFO L129 PetriNetUnfolder]: 283/3781 cut-off events. [2021-06-11 19:13:33,702 INFO L130 PetriNetUnfolder]: For 258589/258718 co-relation queries the response was YES. [2021-06-11 19:13:33,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36609 conditions, 3781 events. 283/3781 cut-off events. For 258589/258718 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 57481 event pairs, 0 based on Foata normal form. 9/3739 useless extension candidates. Maximal degree in co-relation 36413. Up to 566 conditions per place. [2021-06-11 19:13:33,801 INFO L151 LiptonReduction]: Number of co-enabled transitions 4454 [2021-06-11 19:13:33,875 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:33,875 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:33,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1196 [2021-06-11 19:13:33,876 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 726 transitions, 42123 flow [2021-06-11 19:13:33,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:33,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:33,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:33,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-06-11 19:13:33,876 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:33,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:33,876 INFO L82 PathProgramCache]: Analyzing trace with hash -217016436, now seen corresponding path program 199 times [2021-06-11 19:13:33,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:33,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462764679] [2021-06-11 19:13:33,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:33,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:33,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:33,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:33,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:33,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:33,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:13:33,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:13:33,908 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:33,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:33,928 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:13:33,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:13:33,946 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:33,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:33,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:33,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462764679] [2021-06-11 19:13:33,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:33,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:33,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313936943] [2021-06-11 19:13:33,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:33,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:33,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:33,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:33,964 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:33,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 726 transitions, 42123 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:33,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:33,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:33,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:35,884 INFO L129 PetriNetUnfolder]: 300/3813 cut-off events. [2021-06-11 19:13:35,884 INFO L130 PetriNetUnfolder]: For 263032/263143 co-relation queries the response was YES. [2021-06-11 19:13:35,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38504 conditions, 3813 events. 300/3813 cut-off events. For 263032/263143 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 57503 event pairs, 13 based on Foata normal form. 13/3774 useless extension candidates. Maximal degree in co-relation 38307. Up to 681 conditions per place. [2021-06-11 19:13:35,948 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 403 selfloop transitions, 312 changer transitions 4/733 dead transitions. [2021-06-11 19:13:35,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 733 transitions, 43739 flow [2021-06-11 19:13:35,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:13:35,949 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:13:35,949 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:13:35,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:13:35,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:35,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:13:35,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:35,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:35,953 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:35,953 INFO L185 Difference]: Start difference. First operand has 740 places, 726 transitions, 42123 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:13:35,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 733 transitions, 43739 flow [2021-06-11 19:13:38,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 733 transitions, 43055 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-06-11 19:13:38,173 INFO L241 Difference]: Finished difference. Result has 742 places, 722 transitions, 41886 flow [2021-06-11 19:13:38,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41455, PETRI_DIFFERENCE_MINUEND_PLACES=734, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=312, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41886, PETRI_PLACES=742, PETRI_TRANSITIONS=722} [2021-06-11 19:13:38,173 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 704 predicate places. [2021-06-11 19:13:38,173 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:38,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 742 places, 722 transitions, 41886 flow [2021-06-11 19:13:38,174 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 742 places, 722 transitions, 41886 flow [2021-06-11 19:13:38,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 722 transitions, 41886 flow [2021-06-11 19:13:39,196 INFO L129 PetriNetUnfolder]: 282/3769 cut-off events. [2021-06-11 19:13:39,196 INFO L130 PetriNetUnfolder]: For 254823/254953 co-relation queries the response was YES. [2021-06-11 19:13:39,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36103 conditions, 3769 events. 282/3769 cut-off events. For 254823/254953 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 57166 event pairs, 0 based on Foata normal form. 9/3726 useless extension candidates. Maximal degree in co-relation 35908. Up to 564 conditions per place. [2021-06-11 19:13:39,296 INFO L151 LiptonReduction]: Number of co-enabled transitions 4428 [2021-06-11 19:13:39,374 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:39,374 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:39,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1201 [2021-06-11 19:13:39,375 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 722 transitions, 41886 flow [2021-06-11 19:13:39,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:39,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:39,375 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:39,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-06-11 19:13:39,375 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:39,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:39,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1537631428, now seen corresponding path program 200 times [2021-06-11 19:13:39,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:39,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682264812] [2021-06-11 19:13:39,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:39,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:39,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:39,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:39,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:39,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:39,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:39,391 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:13:39,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:13:39,406 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:39,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:39,425 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:13:39,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:13:39,444 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:39,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:39,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682264812] [2021-06-11 19:13:39,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:39,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:39,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173557750] [2021-06-11 19:13:39,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:39,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:39,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:39,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:39,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:39,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 722 transitions, 41886 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:39,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:39,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:39,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:41,418 INFO L129 PetriNetUnfolder]: 299/3801 cut-off events. [2021-06-11 19:13:41,418 INFO L130 PetriNetUnfolder]: For 259079/259190 co-relation queries the response was YES. [2021-06-11 19:13:41,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37994 conditions, 3801 events. 299/3801 cut-off events. For 259079/259190 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 57374 event pairs, 13 based on Foata normal form. 13/3762 useless extension candidates. Maximal degree in co-relation 37798. Up to 681 conditions per place. [2021-06-11 19:13:41,475 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 384 selfloop transitions, 327 changer transitions 4/729 dead transitions. [2021-06-11 19:13:41,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 729 transitions, 43486 flow [2021-06-11 19:13:41,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:13:41,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:13:41,476 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:13:41,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:13:41,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:41,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:13:41,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:41,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:41,477 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:41,477 INFO L185 Difference]: Start difference. First operand has 740 places, 722 transitions, 41886 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:13:41,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 729 transitions, 43486 flow [2021-06-11 19:13:43,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 729 transitions, 43050 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 19:13:43,563 INFO L241 Difference]: Finished difference. Result has 745 places, 718 transitions, 41901 flow [2021-06-11 19:13:43,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41458, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=722, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41901, PETRI_PLACES=745, PETRI_TRANSITIONS=718} [2021-06-11 19:13:43,564 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-06-11 19:13:43,564 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:43,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 718 transitions, 41901 flow [2021-06-11 19:13:43,564 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 718 transitions, 41901 flow [2021-06-11 19:13:43,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 743 places, 718 transitions, 41901 flow [2021-06-11 19:13:44,561 INFO L129 PetriNetUnfolder]: 281/3757 cut-off events. [2021-06-11 19:13:44,561 INFO L130 PetriNetUnfolder]: For 254866/254996 co-relation queries the response was YES. [2021-06-11 19:13:44,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36199 conditions, 3757 events. 281/3757 cut-off events. For 254866/254996 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 57003 event pairs, 0 based on Foata normal form. 9/3713 useless extension candidates. Maximal degree in co-relation 36004. Up to 562 conditions per place. [2021-06-11 19:13:44,660 INFO L151 LiptonReduction]: Number of co-enabled transitions 4400 [2021-06-11 19:13:44,741 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:44,741 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:44,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1177 [2021-06-11 19:13:44,742 INFO L480 AbstractCegarLoop]: Abstraction has has 743 places, 718 transitions, 41901 flow [2021-06-11 19:13:44,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:44,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:44,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:44,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-06-11 19:13:44,742 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:44,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:44,742 INFO L82 PathProgramCache]: Analyzing trace with hash 474942320, now seen corresponding path program 201 times [2021-06-11 19:13:44,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:44,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014522443] [2021-06-11 19:13:44,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:44,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:44,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:44,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:44,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:44,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:44,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:44,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:44,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:13:44,766 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:13:44,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:13:44,779 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:44,797 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:44,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014522443] [2021-06-11 19:13:44,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:44,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:44,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122689215] [2021-06-11 19:13:44,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:44,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:44,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:44,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:44,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:44,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 743 places, 718 transitions, 41901 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:44,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:44,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:44,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:46,729 INFO L129 PetriNetUnfolder]: 304/3898 cut-off events. [2021-06-11 19:13:46,729 INFO L130 PetriNetUnfolder]: For 265624/265737 co-relation queries the response was YES. [2021-06-11 19:13:46,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39003 conditions, 3898 events. 304/3898 cut-off events. For 265624/265737 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59087 event pairs, 13 based on Foata normal form. 12/3857 useless extension candidates. Maximal degree in co-relation 38807. Up to 695 conditions per place. [2021-06-11 19:13:46,793 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 483 selfloop transitions, 319 changer transitions 0/816 dead transitions. [2021-06-11 19:13:46,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 816 transitions, 48646 flow [2021-06-11 19:13:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:46,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:46,794 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:46,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:46,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:46,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:46,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:46,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:46,795 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:46,795 INFO L185 Difference]: Start difference. First operand has 743 places, 718 transitions, 41901 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:46,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 816 transitions, 48646 flow [2021-06-11 19:13:49,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 816 transitions, 47892 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-06-11 19:13:49,064 INFO L241 Difference]: Finished difference. Result has 749 places, 754 transitions, 44126 flow [2021-06-11 19:13:49,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41219, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44126, PETRI_PLACES=749, PETRI_TRANSITIONS=754} [2021-06-11 19:13:49,065 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 711 predicate places. [2021-06-11 19:13:49,065 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:49,065 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 754 transitions, 44126 flow [2021-06-11 19:13:49,065 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 754 transitions, 44126 flow [2021-06-11 19:13:49,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 754 transitions, 44126 flow [2021-06-11 19:13:50,132 INFO L129 PetriNetUnfolder]: 291/3873 cut-off events. [2021-06-11 19:13:50,132 INFO L130 PetriNetUnfolder]: For 265868/265986 co-relation queries the response was YES. [2021-06-11 19:13:50,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37333 conditions, 3873 events. 291/3873 cut-off events. For 265868/265986 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59056 event pairs, 0 based on Foata normal form. 1/3821 useless extension candidates. Maximal degree in co-relation 37135. Up to 582 conditions per place. [2021-06-11 19:13:50,330 INFO L151 LiptonReduction]: Number of co-enabled transitions 4568 [2021-06-11 19:13:50,409 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:50,409 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:50,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1344 [2021-06-11 19:13:50,409 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 754 transitions, 44126 flow [2021-06-11 19:13:50,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:50,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:50,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:50,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-06-11 19:13:50,410 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:50,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:50,410 INFO L82 PathProgramCache]: Analyzing trace with hash -194105444, now seen corresponding path program 202 times [2021-06-11 19:13:50,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:50,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597219333] [2021-06-11 19:13:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:50,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:50,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:50,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:50,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:50,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:50,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:50,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:50,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:13:50,449 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:13:50,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:13:50,462 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:50,480 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:50,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:50,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597219333] [2021-06-11 19:13:50,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:50,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:50,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255811617] [2021-06-11 19:13:50,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:50,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:50,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:50,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:50,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:50,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 754 transitions, 44126 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:50,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:50,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:50,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:52,490 INFO L129 PetriNetUnfolder]: 304/3897 cut-off events. [2021-06-11 19:13:52,490 INFO L130 PetriNetUnfolder]: For 269102/269204 co-relation queries the response was YES. [2021-06-11 19:13:52,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39091 conditions, 3897 events. 304/3897 cut-off events. For 269102/269204 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59083 event pairs, 13 based on Foata normal form. 14/3859 useless extension candidates. Maximal degree in co-relation 38892. Up to 681 conditions per place. [2021-06-11 19:13:52,557 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 345 changer transitions 0/786 dead transitions. [2021-06-11 19:13:52,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 756 places, 786 transitions, 47238 flow [2021-06-11 19:13:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:52,558 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:52,558 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:52,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:52,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:52,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:52,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:52,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:52,558 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:52,558 INFO L185 Difference]: Start difference. First operand has 749 places, 754 transitions, 44126 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:52,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 756 places, 786 transitions, 47238 flow [2021-06-11 19:13:54,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 754 places, 786 transitions, 46788 flow, removed 34 selfloop flow, removed 2 redundant places. [2021-06-11 19:13:54,910 INFO L241 Difference]: Finished difference. Result has 758 places, 772 transitions, 45643 flow [2021-06-11 19:13:54,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43691, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=754, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45643, PETRI_PLACES=758, PETRI_TRANSITIONS=772} [2021-06-11 19:13:54,911 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 720 predicate places. [2021-06-11 19:13:54,911 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:13:54,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 758 places, 772 transitions, 45643 flow [2021-06-11 19:13:54,911 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 758 places, 772 transitions, 45643 flow [2021-06-11 19:13:54,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 758 places, 772 transitions, 45643 flow [2021-06-11 19:13:56,019 INFO L129 PetriNetUnfolder]: 291/3872 cut-off events. [2021-06-11 19:13:56,019 INFO L130 PetriNetUnfolder]: For 274654/274831 co-relation queries the response was YES. [2021-06-11 19:13:56,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37999 conditions, 3872 events. 291/3872 cut-off events. For 274654/274831 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 59258 event pairs, 0 based on Foata normal form. 1/3782 useless extension candidates. Maximal degree in co-relation 37797. Up to 582 conditions per place. [2021-06-11 19:13:56,127 INFO L151 LiptonReduction]: Number of co-enabled transitions 4614 [2021-06-11 19:13:56,214 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:13:56,214 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:13:56,215 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1304 [2021-06-11 19:13:56,215 INFO L480 AbstractCegarLoop]: Abstraction has has 758 places, 772 transitions, 45643 flow [2021-06-11 19:13:56,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:56,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:13:56,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:13:56,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-06-11 19:13:56,215 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:13:56,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:13:56,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1996832766, now seen corresponding path program 203 times [2021-06-11 19:13:56,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:13:56,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884073665] [2021-06-11 19:13:56,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:13:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:13:56,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:56,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:13:56,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:56,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:13:56,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:56,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:13:56,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:13:56,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:13:56,246 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:13:56,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:13:56,268 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:13:56,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:13:56,286 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:13:56,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:13:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:13:56,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884073665] [2021-06-11 19:13:56,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:13:56,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:13:56,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426098450] [2021-06-11 19:13:56,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:13:56,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:13:56,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:13:56,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:13:56,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:13:56,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 758 places, 772 transitions, 45643 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:56,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:13:56,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:13:56,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:13:58,356 INFO L129 PetriNetUnfolder]: 304/3896 cut-off events. [2021-06-11 19:13:58,356 INFO L130 PetriNetUnfolder]: For 278211/278336 co-relation queries the response was YES. [2021-06-11 19:13:58,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39755 conditions, 3896 events. 304/3896 cut-off events. For 278211/278336 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59102 event pairs, 13 based on Foata normal form. 17/3861 useless extension candidates. Maximal degree in co-relation 39552. Up to 681 conditions per place. [2021-06-11 19:13:58,424 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 430 selfloop transitions, 340 changer transitions 2/786 dead transitions. [2021-06-11 19:13:58,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 765 places, 786 transitions, 47752 flow [2021-06-11 19:13:58,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:13:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:13:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:13:58,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:13:58,425 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:13:58,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:13:58,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:13:58,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:13:58,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:58,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:58,425 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:13:58,425 INFO L185 Difference]: Start difference. First operand has 758 places, 772 transitions, 45643 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:13:58,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 765 places, 786 transitions, 47752 flow [2021-06-11 19:14:00,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 762 places, 786 transitions, 47210 flow, removed 37 selfloop flow, removed 3 redundant places. [2021-06-11 19:14:00,926 INFO L241 Difference]: Finished difference. Result has 765 places, 775 transitions, 45960 flow [2021-06-11 19:14:00,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45101, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45960, PETRI_PLACES=765, PETRI_TRANSITIONS=775} [2021-06-11 19:14:00,927 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 727 predicate places. [2021-06-11 19:14:00,927 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:00,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 775 transitions, 45960 flow [2021-06-11 19:14:00,927 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 775 transitions, 45960 flow [2021-06-11 19:14:00,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 764 places, 775 transitions, 45960 flow [2021-06-11 19:14:02,005 INFO L129 PetriNetUnfolder]: 290/3862 cut-off events. [2021-06-11 19:14:02,005 INFO L130 PetriNetUnfolder]: For 277218/277384 co-relation queries the response was YES. [2021-06-11 19:14:02,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38499 conditions, 3862 events. 290/3862 cut-off events. For 277218/277384 co-relation queries the response was YES. Maximal size of possible extension queue 694. Compared 58985 event pairs, 0 based on Foata normal form. 1/3776 useless extension candidates. Maximal degree in co-relation 38295. Up to 580 conditions per place. [2021-06-11 19:14:02,107 INFO L151 LiptonReduction]: Number of co-enabled transitions 4620 [2021-06-11 19:14:02,202 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:02,203 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:02,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1276 [2021-06-11 19:14:02,203 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 775 transitions, 45960 flow [2021-06-11 19:14:02,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:02,203 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:02,203 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:02,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-06-11 19:14:02,203 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:02,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:02,203 INFO L82 PathProgramCache]: Analyzing trace with hash 2003408706, now seen corresponding path program 204 times [2021-06-11 19:14:02,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:02,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151078128] [2021-06-11 19:14:02,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:02,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:02,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:02,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:02,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:02,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:02,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:02,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:02,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:14:02,227 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:14:02,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:14:02,240 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:14:02,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:14:02,258 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:02,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:02,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151078128] [2021-06-11 19:14:02,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:02,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:02,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197311274] [2021-06-11 19:14:02,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:02,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:02,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:02,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:02,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:02,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 775 transitions, 45960 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:02,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:02,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:02,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:04,354 INFO L129 PetriNetUnfolder]: 303/3886 cut-off events. [2021-06-11 19:14:04,354 INFO L130 PetriNetUnfolder]: For 281039/281158 co-relation queries the response was YES. [2021-06-11 19:14:04,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40251 conditions, 3886 events. 303/3886 cut-off events. For 281039/281158 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 58935 event pairs, 13 based on Foata normal form. 17/3851 useless extension candidates. Maximal degree in co-relation 40046. Up to 681 conditions per place. [2021-06-11 19:14:04,419 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 338 changer transitions 5/784 dead transitions. [2021-06-11 19:14:04,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 784 transitions, 47823 flow [2021-06-11 19:14:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:04,420 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:04,420 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:04,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:04,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:04,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:04,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:04,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:04,421 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:04,421 INFO L185 Difference]: Start difference. First operand has 764 places, 775 transitions, 45960 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:04,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 784 transitions, 47823 flow [2021-06-11 19:14:06,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 784 transitions, 47195 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-06-11 19:14:06,907 INFO L241 Difference]: Finished difference. Result has 768 places, 772 transitions, 45830 flow [2021-06-11 19:14:06,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45340, PETRI_DIFFERENCE_MINUEND_PLACES=759, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45830, PETRI_PLACES=768, PETRI_TRANSITIONS=772} [2021-06-11 19:14:06,908 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 730 predicate places. [2021-06-11 19:14:06,908 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:06,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 772 transitions, 45830 flow [2021-06-11 19:14:06,908 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 772 transitions, 45830 flow [2021-06-11 19:14:06,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 772 transitions, 45830 flow [2021-06-11 19:14:07,992 INFO L129 PetriNetUnfolder]: 289/3845 cut-off events. [2021-06-11 19:14:07,992 INFO L130 PetriNetUnfolder]: For 275900/276066 co-relation queries the response was YES. [2021-06-11 19:14:08,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38368 conditions, 3845 events. 289/3845 cut-off events. For 275900/276066 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 58755 event pairs, 0 based on Foata normal form. 1/3760 useless extension candidates. Maximal degree in co-relation 38164. Up to 578 conditions per place. [2021-06-11 19:14:08,097 INFO L151 LiptonReduction]: Number of co-enabled transitions 4602 [2021-06-11 19:14:08,186 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:08,186 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:08,186 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1278 [2021-06-11 19:14:08,187 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 772 transitions, 45830 flow [2021-06-11 19:14:08,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:08,187 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:08,187 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:08,187 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-06-11 19:14:08,187 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:08,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:08,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1252130268, now seen corresponding path program 205 times [2021-06-11 19:14:08,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:08,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299505124] [2021-06-11 19:14:08,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:08,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:08,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:08,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:08,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:08,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:08,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:08,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:08,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:14:08,212 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:14:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:14:08,233 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:14:08,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:14:08,251 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:08,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:08,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299505124] [2021-06-11 19:14:08,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:08,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:08,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502583042] [2021-06-11 19:14:08,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:08,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:08,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:08,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:08,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:08,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 772 transitions, 45830 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:08,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:08,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:08,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:10,181 INFO L129 PetriNetUnfolder]: 302/3869 cut-off events. [2021-06-11 19:14:10,181 INFO L130 PetriNetUnfolder]: For 279820/279937 co-relation queries the response was YES. [2021-06-11 19:14:10,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40114 conditions, 3869 events. 302/3869 cut-off events. For 279820/279937 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 58604 event pairs, 13 based on Foata normal form. 16/3833 useless extension candidates. Maximal degree in co-relation 39909. Up to 681 conditions per place. [2021-06-11 19:14:10,249 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 428 selfloop transitions, 333 changer transitions 3/778 dead transitions. [2021-06-11 19:14:10,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 773 places, 778 transitions, 47539 flow [2021-06-11 19:14:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:14:10,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:14:10,250 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:14:10,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:14:10,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:10,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:14:10,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:10,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:10,251 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:10,251 INFO L185 Difference]: Start difference. First operand has 766 places, 772 transitions, 45830 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:14:10,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 773 places, 778 transitions, 47539 flow [2021-06-11 19:14:12,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 778 transitions, 47025 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-06-11 19:14:12,759 INFO L241 Difference]: Finished difference. Result has 769 places, 770 transitions, 45892 flow [2021-06-11 19:14:12,760 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45328, PETRI_DIFFERENCE_MINUEND_PLACES=760, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=333, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45892, PETRI_PLACES=769, PETRI_TRANSITIONS=770} [2021-06-11 19:14:12,760 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 731 predicate places. [2021-06-11 19:14:12,760 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:12,760 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 770 transitions, 45892 flow [2021-06-11 19:14:12,760 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 770 transitions, 45892 flow [2021-06-11 19:14:12,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 767 places, 770 transitions, 45892 flow [2021-06-11 19:14:13,858 INFO L129 PetriNetUnfolder]: 288/3834 cut-off events. [2021-06-11 19:14:13,858 INFO L130 PetriNetUnfolder]: For 272996/273186 co-relation queries the response was YES. [2021-06-11 19:14:13,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38063 conditions, 3834 events. 288/3834 cut-off events. For 272996/273186 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58543 event pairs, 0 based on Foata normal form. 0/3745 useless extension candidates. Maximal degree in co-relation 37860. Up to 576 conditions per place. [2021-06-11 19:14:13,960 INFO L151 LiptonReduction]: Number of co-enabled transitions 4598 [2021-06-11 19:14:14,046 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:14,046 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:14,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1286 [2021-06-11 19:14:14,047 INFO L480 AbstractCegarLoop]: Abstraction has has 767 places, 770 transitions, 45892 flow [2021-06-11 19:14:14,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:14,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:14,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:14,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-06-11 19:14:14,047 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:14,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:14,047 INFO L82 PathProgramCache]: Analyzing trace with hash -894040492, now seen corresponding path program 206 times [2021-06-11 19:14:14,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:14,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765619575] [2021-06-11 19:14:14,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:14,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:14,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:14,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:14,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:14,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:14,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:14:14,071 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:14:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:14:14,084 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:14:14,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:14:14,102 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:14,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:14,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765619575] [2021-06-11 19:14:14,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:14,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:14,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900149936] [2021-06-11 19:14:14,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:14,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:14,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:14,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:14,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:14,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 767 places, 770 transitions, 45892 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:14,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:14,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:14,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:16,123 INFO L129 PetriNetUnfolder]: 301/3858 cut-off events. [2021-06-11 19:14:16,124 INFO L130 PetriNetUnfolder]: For 276235/276352 co-relation queries the response was YES. [2021-06-11 19:14:16,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39806 conditions, 3858 events. 301/3858 cut-off events. For 276235/276352 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58403 event pairs, 13 based on Foata normal form. 16/3822 useless extension candidates. Maximal degree in co-relation 39602. Up to 681 conditions per place. [2021-06-11 19:14:16,191 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 431 selfloop transitions, 329 changer transitions 2/776 dead transitions. [2021-06-11 19:14:16,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 776 transitions, 47562 flow [2021-06-11 19:14:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:16,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:16,192 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:16,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:16,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:16,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:16,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:16,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:16,193 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:16,193 INFO L185 Difference]: Start difference. First operand has 767 places, 770 transitions, 45892 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:16,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 774 places, 776 transitions, 47562 flow [2021-06-11 19:14:18,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 776 transitions, 46925 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-06-11 19:14:18,810 INFO L241 Difference]: Finished difference. Result has 771 places, 770 transitions, 45923 flow [2021-06-11 19:14:18,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45263, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45923, PETRI_PLACES=771, PETRI_TRANSITIONS=770} [2021-06-11 19:14:18,810 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 733 predicate places. [2021-06-11 19:14:18,810 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:18,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 770 transitions, 45923 flow [2021-06-11 19:14:18,811 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 770 transitions, 45923 flow [2021-06-11 19:14:18,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 770 transitions, 45923 flow [2021-06-11 19:14:19,870 INFO L129 PetriNetUnfolder]: 287/3824 cut-off events. [2021-06-11 19:14:19,871 INFO L130 PetriNetUnfolder]: For 273198/273388 co-relation queries the response was YES. [2021-06-11 19:14:19,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38041 conditions, 3824 events. 287/3824 cut-off events. For 273198/273388 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58281 event pairs, 0 based on Foata normal form. 0/3737 useless extension candidates. Maximal degree in co-relation 37838. Up to 574 conditions per place. [2021-06-11 19:14:19,974 INFO L151 LiptonReduction]: Number of co-enabled transitions 4598 [2021-06-11 19:14:20,064 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:20,064 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:20,064 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1254 [2021-06-11 19:14:20,065 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 770 transitions, 45923 flow [2021-06-11 19:14:20,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:20,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:20,065 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:20,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-06-11 19:14:20,065 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:20,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:20,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2088337376, now seen corresponding path program 207 times [2021-06-11 19:14:20,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:20,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706857710] [2021-06-11 19:14:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:20,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:20,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:20,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:20,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:20,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:14:20,089 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:14:20,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:14:20,103 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:14:20,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:14:20,121 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:20,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:20,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706857710] [2021-06-11 19:14:20,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:20,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:20,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610382918] [2021-06-11 19:14:20,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:20,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:20,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:20,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:20,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:20,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 770 transitions, 45923 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:20,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:20,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:20,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:22,230 INFO L129 PetriNetUnfolder]: 300/3848 cut-off events. [2021-06-11 19:14:22,231 INFO L130 PetriNetUnfolder]: For 276498/276617 co-relation queries the response was YES. [2021-06-11 19:14:22,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39781 conditions, 3848 events. 300/3848 cut-off events. For 276498/276617 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 58241 event pairs, 13 based on Foata normal form. 17/3813 useless extension candidates. Maximal degree in co-relation 39577. Up to 681 conditions per place. [2021-06-11 19:14:22,292 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 328 changer transitions 3/774 dead transitions. [2021-06-11 19:14:22,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 774 transitions, 47515 flow [2021-06-11 19:14:22,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:22,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:14:22,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:14:22,293 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:14:22,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:14:22,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:22,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:14:22,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:22,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:22,294 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:22,294 INFO L185 Difference]: Start difference. First operand has 770 places, 770 transitions, 45923 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:14:22,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 777 places, 774 transitions, 47515 flow [2021-06-11 19:14:24,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 774 transitions, 46893 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-06-11 19:14:24,620 INFO L241 Difference]: Finished difference. Result has 774 places, 767 transitions, 45803 flow [2021-06-11 19:14:24,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45309, PETRI_DIFFERENCE_MINUEND_PLACES=766, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45803, PETRI_PLACES=774, PETRI_TRANSITIONS=767} [2021-06-11 19:14:24,620 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 736 predicate places. [2021-06-11 19:14:24,620 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:24,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 767 transitions, 45803 flow [2021-06-11 19:14:24,621 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 767 transitions, 45803 flow [2021-06-11 19:14:24,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 772 places, 767 transitions, 45803 flow [2021-06-11 19:14:25,683 INFO L129 PetriNetUnfolder]: 286/3813 cut-off events. [2021-06-11 19:14:25,683 INFO L130 PetriNetUnfolder]: For 271999/272116 co-relation queries the response was YES. [2021-06-11 19:14:25,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37988 conditions, 3813 events. 286/3813 cut-off events. For 271999/272116 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57951 event pairs, 0 based on Foata normal form. 1/3759 useless extension candidates. Maximal degree in co-relation 37785. Up to 572 conditions per place. [2021-06-11 19:14:25,785 INFO L151 LiptonReduction]: Number of co-enabled transitions 4586 [2021-06-11 19:14:25,877 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:25,877 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:25,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1257 [2021-06-11 19:14:25,877 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 767 transitions, 45803 flow [2021-06-11 19:14:25,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:25,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:25,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:25,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-06-11 19:14:25,878 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:25,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:25,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1991101748, now seen corresponding path program 208 times [2021-06-11 19:14:25,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:25,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387139362] [2021-06-11 19:14:25,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:25,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:25,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:25,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:25,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:25,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:25,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:25,894 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:14:25,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:14:25,905 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:14:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:14:25,919 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:14:25,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:14:25,938 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:25,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:25,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387139362] [2021-06-11 19:14:25,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:25,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:25,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440042889] [2021-06-11 19:14:25,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:25,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:25,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:25,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:25,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:25,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 767 transitions, 45803 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:25,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:25,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:25,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:27,908 INFO L129 PetriNetUnfolder]: 299/3837 cut-off events. [2021-06-11 19:14:27,908 INFO L130 PetriNetUnfolder]: For 275762/275881 co-relation queries the response was YES. [2021-06-11 19:14:27,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39724 conditions, 3837 events. 299/3837 cut-off events. For 275762/275881 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58016 event pairs, 13 based on Foata normal form. 13/3798 useless extension candidates. Maximal degree in co-relation 39520. Up to 731 conditions per place. [2021-06-11 19:14:27,977 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 319 changer transitions 0/799 dead transitions. [2021-06-11 19:14:27,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 799 transitions, 48809 flow [2021-06-11 19:14:27,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:27,978 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:27,978 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:27,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:27,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:27,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:27,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:27,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:27,979 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:27,979 INFO L185 Difference]: Start difference. First operand has 772 places, 767 transitions, 45803 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:27,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 799 transitions, 48809 flow [2021-06-11 19:14:30,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 799 transitions, 48148 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:14:30,406 INFO L241 Difference]: Finished difference. Result has 777 places, 789 transitions, 47157 flow [2021-06-11 19:14:30,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45150, PETRI_DIFFERENCE_MINUEND_PLACES=767, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=297, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47157, PETRI_PLACES=777, PETRI_TRANSITIONS=789} [2021-06-11 19:14:30,407 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 739 predicate places. [2021-06-11 19:14:30,407 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:30,407 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 777 places, 789 transitions, 47157 flow [2021-06-11 19:14:30,407 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 777 places, 789 transitions, 47157 flow [2021-06-11 19:14:30,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 777 places, 789 transitions, 47157 flow [2021-06-11 19:14:31,558 INFO L129 PetriNetUnfolder]: 286/3812 cut-off events. [2021-06-11 19:14:31,558 INFO L130 PetriNetUnfolder]: For 277805/277983 co-relation queries the response was YES. [2021-06-11 19:14:31,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38112 conditions, 3812 events. 286/3812 cut-off events. For 277805/277983 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 58162 event pairs, 0 based on Foata normal form. 0/3720 useless extension candidates. Maximal degree in co-relation 37907. Up to 572 conditions per place. [2021-06-11 19:14:31,660 INFO L151 LiptonReduction]: Number of co-enabled transitions 4694 [2021-06-11 19:14:31,748 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:31,748 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:31,748 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1341 [2021-06-11 19:14:31,748 INFO L480 AbstractCegarLoop]: Abstraction has has 777 places, 789 transitions, 47157 flow [2021-06-11 19:14:31,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:31,748 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:31,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:31,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-06-11 19:14:31,749 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:31,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:31,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1710119784, now seen corresponding path program 209 times [2021-06-11 19:14:31,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:31,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560233003] [2021-06-11 19:14:31,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:31,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:31,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:31,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:31,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:31,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:31,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:14:31,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:14:31,774 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:14:31,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:14:31,787 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:14:31,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:14:31,805 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:31,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:31,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560233003] [2021-06-11 19:14:31,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:31,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:31,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277077178] [2021-06-11 19:14:31,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:31,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:31,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:31,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:31,823 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:31,823 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 777 places, 789 transitions, 47157 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:31,823 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:31,823 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:31,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:33,887 INFO L129 PetriNetUnfolder]: 299/3836 cut-off events. [2021-06-11 19:14:33,887 INFO L130 PetriNetUnfolder]: For 281115/281234 co-relation queries the response was YES. [2021-06-11 19:14:33,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39847 conditions, 3836 events. 299/3836 cut-off events. For 281115/281234 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57959 event pairs, 13 based on Foata normal form. 13/3797 useless extension candidates. Maximal degree in co-relation 39641. Up to 731 conditions per place. [2021-06-11 19:14:33,953 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 317 changer transitions 0/799 dead transitions. [2021-06-11 19:14:33,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 799 transitions, 49051 flow [2021-06-11 19:14:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:33,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:33,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:33,954 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:33,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:33,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:33,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:33,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:33,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:33,955 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:33,955 INFO L185 Difference]: Start difference. First operand has 777 places, 789 transitions, 47157 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:33,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 799 transitions, 49051 flow [2021-06-11 19:14:36,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 799 transitions, 48387 flow, removed 59 selfloop flow, removed 3 redundant places. [2021-06-11 19:14:36,521 INFO L241 Difference]: Finished difference. Result has 782 places, 789 transitions, 47130 flow [2021-06-11 19:14:36,521 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46493, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47130, PETRI_PLACES=782, PETRI_TRANSITIONS=789} [2021-06-11 19:14:36,521 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 744 predicate places. [2021-06-11 19:14:36,521 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:36,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 782 places, 789 transitions, 47130 flow [2021-06-11 19:14:36,521 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 782 places, 789 transitions, 47130 flow [2021-06-11 19:14:36,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 782 places, 789 transitions, 47130 flow [2021-06-11 19:14:37,611 INFO L129 PetriNetUnfolder]: 286/3811 cut-off events. [2021-06-11 19:14:37,611 INFO L130 PetriNetUnfolder]: For 279176/279342 co-relation queries the response was YES. [2021-06-11 19:14:37,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38465 conditions, 3811 events. 286/3811 cut-off events. For 279176/279342 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58179 event pairs, 0 based on Foata normal form. 1/3721 useless extension candidates. Maximal degree in co-relation 38259. Up to 572 conditions per place. [2021-06-11 19:14:37,718 INFO L151 LiptonReduction]: Number of co-enabled transitions 4694 [2021-06-11 19:14:37,818 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:37,818 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:37,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1297 [2021-06-11 19:14:37,818 INFO L480 AbstractCegarLoop]: Abstraction has has 782 places, 789 transitions, 47130 flow [2021-06-11 19:14:37,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:37,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:37,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:37,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-06-11 19:14:37,819 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:37,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:37,819 INFO L82 PathProgramCache]: Analyzing trace with hash 371220452, now seen corresponding path program 210 times [2021-06-11 19:14:37,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:37,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900593350] [2021-06-11 19:14:37,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:37,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:37,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:37,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:37,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:37,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:37,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:37,834 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:14:37,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:14:37,844 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:14:37,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:14:37,857 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:14:37,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:14:37,875 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:37,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:37,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900593350] [2021-06-11 19:14:37,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:37,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:37,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268238387] [2021-06-11 19:14:37,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:37,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:37,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:37,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:37,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:37,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 782 places, 789 transitions, 47130 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:37,895 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:37,895 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:37,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:40,107 INFO L129 PetriNetUnfolder]: 299/3835 cut-off events. [2021-06-11 19:14:40,107 INFO L130 PetriNetUnfolder]: For 283074/283193 co-relation queries the response was YES. [2021-06-11 19:14:40,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40198 conditions, 3835 events. 299/3835 cut-off events. For 283074/283193 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57956 event pairs, 13 based on Foata normal form. 13/3796 useless extension candidates. Maximal degree in co-relation 39991. Up to 731 conditions per place. [2021-06-11 19:14:40,170 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-06-11 19:14:40,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 799 transitions, 49032 flow [2021-06-11 19:14:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:40,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:40,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:40,171 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:40,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:40,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:40,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:40,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:40,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:40,171 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:40,171 INFO L185 Difference]: Start difference. First operand has 782 places, 789 transitions, 47130 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:40,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 799 transitions, 49032 flow [2021-06-11 19:14:42,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 799 transitions, 48552 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-06-11 19:14:42,565 INFO L241 Difference]: Finished difference. Result has 787 places, 789 transitions, 47275 flow [2021-06-11 19:14:42,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46650, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47275, PETRI_PLACES=787, PETRI_TRANSITIONS=789} [2021-06-11 19:14:42,565 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 749 predicate places. [2021-06-11 19:14:42,565 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:42,565 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 789 transitions, 47275 flow [2021-06-11 19:14:42,565 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 789 transitions, 47275 flow [2021-06-11 19:14:42,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 789 transitions, 47275 flow [2021-06-11 19:14:43,659 INFO L129 PetriNetUnfolder]: 286/3810 cut-off events. [2021-06-11 19:14:43,659 INFO L130 PetriNetUnfolder]: For 283351/283517 co-relation queries the response was YES. [2021-06-11 19:14:43,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38966 conditions, 3810 events. 286/3810 cut-off events. For 283351/283517 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 58153 event pairs, 0 based on Foata normal form. 1/3720 useless extension candidates. Maximal degree in co-relation 38759. Up to 572 conditions per place. [2021-06-11 19:14:43,762 INFO L151 LiptonReduction]: Number of co-enabled transitions 4694 [2021-06-11 19:14:43,862 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:43,862 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:43,863 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1298 [2021-06-11 19:14:43,863 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 789 transitions, 47275 flow [2021-06-11 19:14:43,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:43,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:43,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:43,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-06-11 19:14:43,863 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:43,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:43,863 INFO L82 PathProgramCache]: Analyzing trace with hash 363060258, now seen corresponding path program 211 times [2021-06-11 19:14:43,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:43,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117178844] [2021-06-11 19:14:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:43,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:43,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:43,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:43,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:43,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:14:43,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:14:43,888 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:14:43,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:14:43,901 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:14:43,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:14:43,919 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:43,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:43,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117178844] [2021-06-11 19:14:43,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:43,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:43,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788123898] [2021-06-11 19:14:43,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:43,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:43,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:43,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:43,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:43,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 789 transitions, 47275 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:43,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:43,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:43,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:45,946 INFO L129 PetriNetUnfolder]: 299/3834 cut-off events. [2021-06-11 19:14:45,946 INFO L130 PetriNetUnfolder]: For 287448/287565 co-relation queries the response was YES. [2021-06-11 19:14:46,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40697 conditions, 3834 events. 299/3834 cut-off events. For 287448/287565 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57973 event pairs, 13 based on Foata normal form. 12/3794 useless extension candidates. Maximal degree in co-relation 40489. Up to 731 conditions per place. [2021-06-11 19:14:46,012 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-06-11 19:14:46,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 799 transitions, 49185 flow [2021-06-11 19:14:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:46,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:46,013 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:46,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:46,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:46,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:46,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:46,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:46,014 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:46,014 INFO L185 Difference]: Start difference. First operand has 787 places, 789 transitions, 47275 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:46,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 794 places, 799 transitions, 49185 flow [2021-06-11 19:14:48,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 799 transitions, 48611 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-06-11 19:14:48,648 INFO L241 Difference]: Finished difference. Result has 792 places, 789 transitions, 47326 flow [2021-06-11 19:14:48,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46701, PETRI_DIFFERENCE_MINUEND_PLACES=784, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47326, PETRI_PLACES=792, PETRI_TRANSITIONS=789} [2021-06-11 19:14:48,648 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 754 predicate places. [2021-06-11 19:14:48,648 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:48,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 789 transitions, 47326 flow [2021-06-11 19:14:48,649 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 789 transitions, 47326 flow [2021-06-11 19:14:48,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 792 places, 789 transitions, 47326 flow [2021-06-11 19:14:49,807 INFO L129 PetriNetUnfolder]: 286/3809 cut-off events. [2021-06-11 19:14:49,807 INFO L130 PetriNetUnfolder]: For 286466/286658 co-relation queries the response was YES. [2021-06-11 19:14:49,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39379 conditions, 3809 events. 286/3809 cut-off events. For 286466/286658 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58158 event pairs, 0 based on Foata normal form. 0/3718 useless extension candidates. Maximal degree in co-relation 39171. Up to 572 conditions per place. [2021-06-11 19:14:49,905 INFO L151 LiptonReduction]: Number of co-enabled transitions 4694 [2021-06-11 19:14:49,993 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:49,993 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:49,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1345 [2021-06-11 19:14:49,993 INFO L480 AbstractCegarLoop]: Abstraction has has 792 places, 789 transitions, 47326 flow [2021-06-11 19:14:49,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:49,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:49,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:49,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-06-11 19:14:49,993 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:49,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:49,994 INFO L82 PathProgramCache]: Analyzing trace with hash -816166160, now seen corresponding path program 212 times [2021-06-11 19:14:49,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:49,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277319792] [2021-06-11 19:14:49,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:49,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:49,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:49,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:50,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:50,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:50,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:50,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:14:50,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:14:50,028 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:14:50,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:14:50,047 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:14:50,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:14:50,065 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:50,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:50,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277319792] [2021-06-11 19:14:50,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:50,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:50,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807693326] [2021-06-11 19:14:50,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:50,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:50,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:50,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:50,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:50,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 792 places, 789 transitions, 47326 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:50,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:50,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:50,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:52,155 INFO L129 PetriNetUnfolder]: 299/3833 cut-off events. [2021-06-11 19:14:52,155 INFO L130 PetriNetUnfolder]: For 290832/290951 co-relation queries the response was YES. [2021-06-11 19:14:52,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41108 conditions, 3833 events. 299/3833 cut-off events. For 290832/290951 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58032 event pairs, 13 based on Foata normal form. 13/3794 useless extension candidates. Maximal degree in co-relation 40899. Up to 731 conditions per place. [2021-06-11 19:14:52,224 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 317 changer transitions 2/799 dead transitions. [2021-06-11 19:14:52,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 799 transitions, 49244 flow [2021-06-11 19:14:52,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:52,225 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:52,225 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:52,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:52,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:52,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:52,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:52,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:52,226 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:52,226 INFO L185 Difference]: Start difference. First operand has 792 places, 789 transitions, 47326 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:52,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 799 transitions, 49244 flow [2021-06-11 19:14:54,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 795 places, 799 transitions, 48647 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 19:14:54,860 INFO L241 Difference]: Finished difference. Result has 797 places, 793 transitions, 47642 flow [2021-06-11 19:14:54,860 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46729, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47642, PETRI_PLACES=797, PETRI_TRANSITIONS=793} [2021-06-11 19:14:54,860 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 759 predicate places. [2021-06-11 19:14:54,860 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:14:54,860 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 797 places, 793 transitions, 47642 flow [2021-06-11 19:14:54,861 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 797 places, 793 transitions, 47642 flow [2021-06-11 19:14:54,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 796 places, 793 transitions, 47642 flow [2021-06-11 19:14:55,947 INFO L129 PetriNetUnfolder]: 285/3799 cut-off events. [2021-06-11 19:14:55,947 INFO L130 PetriNetUnfolder]: For 293024/293216 co-relation queries the response was YES. [2021-06-11 19:14:56,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39751 conditions, 3799 events. 285/3799 cut-off events. For 293024/293216 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57963 event pairs, 0 based on Foata normal form. 0/3704 useless extension candidates. Maximal degree in co-relation 39541. Up to 570 conditions per place. [2021-06-11 19:14:56,052 INFO L151 LiptonReduction]: Number of co-enabled transitions 4706 [2021-06-11 19:14:56,150 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:14:56,150 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:14:56,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1290 [2021-06-11 19:14:56,150 INFO L480 AbstractCegarLoop]: Abstraction has has 796 places, 793 transitions, 47642 flow [2021-06-11 19:14:56,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:56,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:14:56,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:14:56,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-06-11 19:14:56,151 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:14:56,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:14:56,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1228018818, now seen corresponding path program 213 times [2021-06-11 19:14:56,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:14:56,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719877880] [2021-06-11 19:14:56,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:14:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:14:56,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:56,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:14:56,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:56,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:14:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:14:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:14:56,179 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:14:56,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:14:56,189 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:14:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:14:56,213 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:14:56,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:14:56,230 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:14:56,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:14:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:14:56,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719877880] [2021-06-11 19:14:56,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:14:56,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:14:56,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604427302] [2021-06-11 19:14:56,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:14:56,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:14:56,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:14:56,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:14:56,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:14:56,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 793 transitions, 47642 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:56,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:14:56,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:14:56,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:14:58,405 INFO L129 PetriNetUnfolder]: 298/3823 cut-off events. [2021-06-11 19:14:58,406 INFO L130 PetriNetUnfolder]: For 297761/297880 co-relation queries the response was YES. [2021-06-11 19:14:58,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41476 conditions, 3823 events. 298/3823 cut-off events. For 297761/297880 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 57813 event pairs, 13 based on Foata normal form. 13/3784 useless extension candidates. Maximal degree in co-relation 41265. Up to 731 conditions per place. [2021-06-11 19:14:58,468 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 465 selfloop transitions, 318 changer transitions 0/797 dead transitions. [2021-06-11 19:14:58,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 797 transitions, 49312 flow [2021-06-11 19:14:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:14:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:14:58,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:14:58,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:14:58,469 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:14:58,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:14:58,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:14:58,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:14:58,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:58,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:58,470 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:14:58,470 INFO L185 Difference]: Start difference. First operand has 796 places, 793 transitions, 47642 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:14:58,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 797 transitions, 49312 flow [2021-06-11 19:15:00,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 797 transitions, 49042 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-06-11 19:15:00,949 INFO L241 Difference]: Finished difference. Result has 801 places, 793 transitions, 48019 flow [2021-06-11 19:15:00,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47380, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=48019, PETRI_PLACES=801, PETRI_TRANSITIONS=793} [2021-06-11 19:15:00,950 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-06-11 19:15:00,950 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:00,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 793 transitions, 48019 flow [2021-06-11 19:15:00,950 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 793 transitions, 48019 flow [2021-06-11 19:15:00,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 793 transitions, 48019 flow [2021-06-11 19:15:02,076 INFO L129 PetriNetUnfolder]: 285/3798 cut-off events. [2021-06-11 19:15:02,077 INFO L130 PetriNetUnfolder]: For 294901/295096 co-relation queries the response was YES. [2021-06-11 19:15:02,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40073 conditions, 3798 events. 285/3798 cut-off events. For 294901/295096 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57929 event pairs, 0 based on Foata normal form. 0/3708 useless extension candidates. Maximal degree in co-relation 39864. Up to 570 conditions per place. [2021-06-11 19:15:02,193 INFO L151 LiptonReduction]: Number of co-enabled transitions 4706 [2021-06-11 19:15:02,300 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:02,300 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:02,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1350 [2021-06-11 19:15:02,300 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 793 transitions, 48019 flow [2021-06-11 19:15:02,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:02,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:02,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:02,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-06-11 19:15:02,301 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:02,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:02,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1564298844, now seen corresponding path program 214 times [2021-06-11 19:15:02,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:02,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265094168] [2021-06-11 19:15:02,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:02,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:02,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:02,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:02,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:02,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:02,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:02,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:15:02,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:15:02,328 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:15:02,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:15:02,353 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:02,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:02,373 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:02,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:02,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265094168] [2021-06-11 19:15:02,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:02,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:02,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070199132] [2021-06-11 19:15:02,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:02,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:02,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:02,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:02,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:02,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 793 transitions, 48019 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:02,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:02,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:02,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:04,451 INFO L129 PetriNetUnfolder]: 298/3822 cut-off events. [2021-06-11 19:15:04,451 INFO L130 PetriNetUnfolder]: For 299519/299638 co-relation queries the response was YES. [2021-06-11 19:15:04,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41797 conditions, 3822 events. 298/3822 cut-off events. For 299519/299638 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 57724 event pairs, 13 based on Foata normal form. 13/3783 useless extension candidates. Maximal degree in co-relation 41587. Up to 731 conditions per place. [2021-06-11 19:15:04,522 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 310 changer transitions 12/797 dead transitions. [2021-06-11 19:15:04,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 808 places, 797 transitions, 49689 flow [2021-06-11 19:15:04,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:04,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:04,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:04,526 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:04,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:04,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:04,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:04,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:04,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:04,527 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:04,527 INFO L185 Difference]: Start difference. First operand has 801 places, 793 transitions, 48019 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:04,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 808 places, 797 transitions, 49689 flow [2021-06-11 19:15:07,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 797 transitions, 49102 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-06-11 19:15:07,286 INFO L241 Difference]: Finished difference. Result has 806 places, 781 transitions, 47088 flow [2021-06-11 19:15:07,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47432, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47088, PETRI_PLACES=806, PETRI_TRANSITIONS=781} [2021-06-11 19:15:07,287 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-06-11 19:15:07,287 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:07,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 781 transitions, 47088 flow [2021-06-11 19:15:07,287 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 781 transitions, 47088 flow [2021-06-11 19:15:07,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 781 transitions, 47088 flow [2021-06-11 19:15:08,460 INFO L129 PetriNetUnfolder]: 284/3755 cut-off events. [2021-06-11 19:15:08,460 INFO L130 PetriNetUnfolder]: For 293046/293227 co-relation queries the response was YES. [2021-06-11 19:15:08,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39774 conditions, 3755 events. 284/3755 cut-off events. For 293046/293227 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 57126 event pairs, 0 based on Foata normal form. 0/3668 useless extension candidates. Maximal degree in co-relation 39564. Up to 568 conditions per place. [2021-06-11 19:15:08,562 INFO L151 LiptonReduction]: Number of co-enabled transitions 4588 [2021-06-11 19:15:08,651 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:08,651 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:08,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1364 [2021-06-11 19:15:08,651 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 781 transitions, 47088 flow [2021-06-11 19:15:08,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:08,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:08,651 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:08,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-06-11 19:15:08,651 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:08,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:08,652 INFO L82 PathProgramCache]: Analyzing trace with hash 10160144, now seen corresponding path program 215 times [2021-06-11 19:15:08,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:08,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591565742] [2021-06-11 19:15:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:08,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:08,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:08,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:08,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:08,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:08,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:08,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:08,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:08,692 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:15:08,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:15:08,712 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:08,731 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:08,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:08,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591565742] [2021-06-11 19:15:08,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:08,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:08,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964715943] [2021-06-11 19:15:08,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:08,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:08,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:08,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:08,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:08,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 781 transitions, 47088 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:08,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:08,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:08,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:10,812 INFO L129 PetriNetUnfolder]: 297/3779 cut-off events. [2021-06-11 19:15:10,813 INFO L130 PetriNetUnfolder]: For 298282/298399 co-relation queries the response was YES. [2021-06-11 19:15:10,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41480 conditions, 3779 events. 297/3779 cut-off events. For 298282/298399 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 56960 event pairs, 13 based on Foata normal form. 12/3741 useless extension candidates. Maximal degree in co-relation 41269. Up to 731 conditions per place. [2021-06-11 19:15:10,883 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 309 changer transitions 3/785 dead transitions. [2021-06-11 19:15:10,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 785 transitions, 48742 flow [2021-06-11 19:15:10,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:10,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:10,884 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:10,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:10,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:10,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:10,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:10,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:10,885 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:10,885 INFO L185 Difference]: Start difference. First operand has 800 places, 781 transitions, 47088 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:10,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 785 transitions, 48742 flow [2021-06-11 19:15:13,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 797 places, 785 transitions, 48084 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-06-11 19:15:13,646 INFO L241 Difference]: Finished difference. Result has 798 places, 778 transitions, 46906 flow [2021-06-11 19:15:13,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46478, PETRI_DIFFERENCE_MINUEND_PLACES=790, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=781, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46906, PETRI_PLACES=798, PETRI_TRANSITIONS=778} [2021-06-11 19:15:13,647 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 760 predicate places. [2021-06-11 19:15:13,647 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:13,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 798 places, 778 transitions, 46906 flow [2021-06-11 19:15:13,647 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 798 places, 778 transitions, 46906 flow [2021-06-11 19:15:13,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 797 places, 778 transitions, 46906 flow [2021-06-11 19:15:14,764 INFO L129 PetriNetUnfolder]: 283/3744 cut-off events. [2021-06-11 19:15:14,764 INFO L130 PetriNetUnfolder]: For 273770/273950 co-relation queries the response was YES. [2021-06-11 19:15:14,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37819 conditions, 3744 events. 283/3744 cut-off events. For 273770/273950 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56948 event pairs, 0 based on Foata normal form. 0/3652 useless extension candidates. Maximal degree in co-relation 37614. Up to 566 conditions per place. [2021-06-11 19:15:14,872 INFO L151 LiptonReduction]: Number of co-enabled transitions 4566 [2021-06-11 19:15:14,967 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:14,968 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:14,968 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1321 [2021-06-11 19:15:14,968 INFO L480 AbstractCegarLoop]: Abstraction has has 797 places, 778 transitions, 46906 flow [2021-06-11 19:15:14,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:14,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:14,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:14,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-06-11 19:15:14,968 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:14,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:14,968 INFO L82 PathProgramCache]: Analyzing trace with hash 370743798, now seen corresponding path program 216 times [2021-06-11 19:15:14,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:14,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357852486] [2021-06-11 19:15:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:14,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:14,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:14,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:14,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:14,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:14,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:14,984 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:14,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:15,001 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:15:15,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:15:15,016 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:15,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:15,035 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:15,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:15,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357852486] [2021-06-11 19:15:15,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:15,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:15,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443175393] [2021-06-11 19:15:15,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:15,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:15,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:15,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:15,053 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:15,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 797 places, 778 transitions, 46906 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:15,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:15,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:15,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:17,209 INFO L129 PetriNetUnfolder]: 296/3768 cut-off events. [2021-06-11 19:15:17,209 INFO L130 PetriNetUnfolder]: For 277048/277165 co-relation queries the response was YES. [2021-06-11 19:15:17,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39526 conditions, 3768 events. 296/3768 cut-off events. For 277048/277165 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56729 event pairs, 13 based on Foata normal form. 12/3730 useless extension candidates. Maximal degree in co-relation 39320. Up to 731 conditions per place. [2021-06-11 19:15:17,271 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 314 changer transitions 0/782 dead transitions. [2021-06-11 19:15:17,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 782 transitions, 48514 flow [2021-06-11 19:15:17,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:17,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:17,272 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:17,272 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:17,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:17,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:17,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:17,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:17,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:17,273 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:17,273 INFO L185 Difference]: Start difference. First operand has 797 places, 778 transitions, 46906 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:17,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 804 places, 782 transitions, 48514 flow [2021-06-11 19:15:19,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 799 places, 782 transitions, 47906 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-06-11 19:15:19,584 INFO L241 Difference]: Finished difference. Result has 800 places, 778 transitions, 46937 flow [2021-06-11 19:15:19,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46306, PETRI_DIFFERENCE_MINUEND_PLACES=792, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46937, PETRI_PLACES=800, PETRI_TRANSITIONS=778} [2021-06-11 19:15:19,584 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 762 predicate places. [2021-06-11 19:15:19,584 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:19,584 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 778 transitions, 46937 flow [2021-06-11 19:15:19,584 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 778 transitions, 46937 flow [2021-06-11 19:15:19,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 778 transitions, 46937 flow [2021-06-11 19:15:20,655 INFO L129 PetriNetUnfolder]: 283/3743 cut-off events. [2021-06-11 19:15:20,655 INFO L130 PetriNetUnfolder]: For 273538/273688 co-relation queries the response was YES. [2021-06-11 19:15:20,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37837 conditions, 3743 events. 283/3743 cut-off events. For 273538/273688 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 56907 event pairs, 0 based on Foata normal form. 1/3652 useless extension candidates. Maximal degree in co-relation 37632. Up to 566 conditions per place. [2021-06-11 19:15:20,759 INFO L151 LiptonReduction]: Number of co-enabled transitions 4566 [2021-06-11 19:15:20,856 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:20,856 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:20,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1272 [2021-06-11 19:15:20,857 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 778 transitions, 46937 flow [2021-06-11 19:15:20,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:20,857 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:20,857 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:20,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-06-11 19:15:20,857 INFO L428 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:20,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:20,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1191004318, now seen corresponding path program 217 times [2021-06-11 19:15:20,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:20,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150431180] [2021-06-11 19:15:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:20,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:20,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:20,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:20,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:20,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:20,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:20,873 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:20,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:20,890 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:15:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:15:20,914 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:20,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:20,933 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:20,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:20,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:20,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150431180] [2021-06-11 19:15:20,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:20,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:20,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109520651] [2021-06-11 19:15:20,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:20,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:20,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:20,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:20,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:20,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 778 transitions, 46937 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:20,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:20,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:20,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:22,921 INFO L129 PetriNetUnfolder]: 296/3767 cut-off events. [2021-06-11 19:15:22,921 INFO L130 PetriNetUnfolder]: For 277020/277136 co-relation queries the response was YES. [2021-06-11 19:15:22,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39543 conditions, 3767 events. 296/3767 cut-off events. For 277020/277136 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56730 event pairs, 13 based on Foata normal form. 13/3730 useless extension candidates. Maximal degree in co-relation 39337. Up to 731 conditions per place. [2021-06-11 19:15:22,987 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 451 selfloop transitions, 313 changer transitions 4/782 dead transitions. [2021-06-11 19:15:22,987 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 782 transitions, 48545 flow [2021-06-11 19:15:22,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:22,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:22,988 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:22,988 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:22,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:22,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:22,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:22,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:22,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:22,989 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:22,989 INFO L185 Difference]: Start difference. First operand has 800 places, 778 transitions, 46937 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:22,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 782 transitions, 48545 flow [2021-06-11 19:15:25,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 782 transitions, 47497 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-06-11 19:15:25,416 INFO L241 Difference]: Finished difference. Result has 802 places, 774 transitions, 46229 flow [2021-06-11 19:15:25,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45889, PETRI_DIFFERENCE_MINUEND_PLACES=794, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46229, PETRI_PLACES=802, PETRI_TRANSITIONS=774} [2021-06-11 19:15:25,416 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 764 predicate places. [2021-06-11 19:15:25,416 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:25,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 802 places, 774 transitions, 46229 flow [2021-06-11 19:15:25,417 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 802 places, 774 transitions, 46229 flow [2021-06-11 19:15:25,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 774 transitions, 46229 flow [2021-06-11 19:15:26,596 INFO L129 PetriNetUnfolder]: 282/3726 cut-off events. [2021-06-11 19:15:26,597 INFO L130 PetriNetUnfolder]: For 269774/269948 co-relation queries the response was YES. [2021-06-11 19:15:26,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37712 conditions, 3726 events. 282/3726 cut-off events. For 269774/269948 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 56620 event pairs, 0 based on Foata normal form. 0/3633 useless extension candidates. Maximal degree in co-relation 37506. Up to 564 conditions per place. [2021-06-11 19:15:26,695 INFO L151 LiptonReduction]: Number of co-enabled transitions 4530 [2021-06-11 19:15:26,781 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:26,781 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:26,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1365 [2021-06-11 19:15:26,782 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 774 transitions, 46229 flow [2021-06-11 19:15:26,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:26,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:26,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:26,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-06-11 19:15:26,782 INFO L428 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:26,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:26,782 INFO L82 PathProgramCache]: Analyzing trace with hash 699467228, now seen corresponding path program 218 times [2021-06-11 19:15:26,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:26,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948239638] [2021-06-11 19:15:26,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:26,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:26,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:26,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:26,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:26,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:26,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:26,798 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:26,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:26,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:15:26,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:15:26,830 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:26,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:26,848 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:26,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:26,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948239638] [2021-06-11 19:15:26,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:26,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:26,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579702641] [2021-06-11 19:15:26,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:26,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:26,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:26,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:26,866 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:26,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 774 transitions, 46229 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:26,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:26,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:26,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:28,956 INFO L129 PetriNetUnfolder]: 295/3750 cut-off events. [2021-06-11 19:15:28,956 INFO L130 PetriNetUnfolder]: For 273515/273631 co-relation queries the response was YES. [2021-06-11 19:15:29,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39411 conditions, 3750 events. 295/3750 cut-off events. For 273515/273631 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 56404 event pairs, 13 based on Foata normal form. 13/3713 useless extension candidates. Maximal degree in co-relation 39204. Up to 731 conditions per place. [2021-06-11 19:15:29,035 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 463 selfloop transitions, 299 changer transitions 2/778 dead transitions. [2021-06-11 19:15:29,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 778 transitions, 47837 flow [2021-06-11 19:15:29,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:29,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:29,036 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:29,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:29,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:29,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:29,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:29,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:29,037 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:29,037 INFO L185 Difference]: Start difference. First operand has 800 places, 774 transitions, 46229 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:29,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 778 transitions, 47837 flow [2021-06-11 19:15:31,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 778 transitions, 47198 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-06-11 19:15:31,459 INFO L241 Difference]: Finished difference. Result has 801 places, 772 transitions, 46080 flow [2021-06-11 19:15:31,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45606, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=774, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46080, PETRI_PLACES=801, PETRI_TRANSITIONS=772} [2021-06-11 19:15:31,459 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-06-11 19:15:31,459 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:31,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 772 transitions, 46080 flow [2021-06-11 19:15:31,460 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 772 transitions, 46080 flow [2021-06-11 19:15:31,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 772 transitions, 46080 flow [2021-06-11 19:15:32,516 INFO L129 PetriNetUnfolder]: 281/3716 cut-off events. [2021-06-11 19:15:32,516 INFO L130 PetriNetUnfolder]: For 265959/266133 co-relation queries the response was YES. [2021-06-11 19:15:32,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37265 conditions, 3716 events. 281/3716 cut-off events. For 265959/266133 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 56422 event pairs, 0 based on Foata normal form. 0/3623 useless extension candidates. Maximal degree in co-relation 37061. Up to 562 conditions per place. [2021-06-11 19:15:32,617 INFO L151 LiptonReduction]: Number of co-enabled transitions 4526 [2021-06-11 19:15:32,705 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:32,705 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:32,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1247 [2021-06-11 19:15:32,706 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 772 transitions, 46080 flow [2021-06-11 19:15:32,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:32,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:32,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:32,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-06-11 19:15:32,706 INFO L428 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:32,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:32,706 INFO L82 PathProgramCache]: Analyzing trace with hash -45807486, now seen corresponding path program 219 times [2021-06-11 19:15:32,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:32,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678047576] [2021-06-11 19:15:32,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:32,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:32,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:32,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:32,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:32,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:32,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:32,722 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:32,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:32,740 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:15:32,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:15:32,754 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:15:32,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:15:32,772 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:32,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:32,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678047576] [2021-06-11 19:15:32,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:32,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:32,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290794384] [2021-06-11 19:15:32,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:32,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:32,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:32,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:32,791 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:32,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 772 transitions, 46080 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:32,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:32,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:32,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:34,807 INFO L129 PetriNetUnfolder]: 294/3740 cut-off events. [2021-06-11 19:15:34,808 INFO L130 PetriNetUnfolder]: For 269162/269276 co-relation queries the response was YES. [2021-06-11 19:15:34,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38962 conditions, 3740 events. 294/3740 cut-off events. For 269162/269276 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 56223 event pairs, 13 based on Foata normal form. 12/3702 useless extension candidates. Maximal degree in co-relation 38757. Up to 731 conditions per place. [2021-06-11 19:15:34,875 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 300 changer transitions 2/776 dead transitions. [2021-06-11 19:15:34,875 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 776 transitions, 47676 flow [2021-06-11 19:15:34,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:15:34,876 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:15:34,876 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:15:34,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:15:34,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:34,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:15:34,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:34,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:34,876 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:34,877 INFO L185 Difference]: Start difference. First operand has 800 places, 772 transitions, 46080 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:15:34,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 776 transitions, 47676 flow [2021-06-11 19:15:37,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 804 places, 776 transitions, 47264 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-06-11 19:15:37,421 INFO L241 Difference]: Finished difference. Result has 805 places, 770 transitions, 46144 flow [2021-06-11 19:15:37,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45676, PETRI_DIFFERENCE_MINUEND_PLACES=797, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46144, PETRI_PLACES=805, PETRI_TRANSITIONS=770} [2021-06-11 19:15:37,421 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 767 predicate places. [2021-06-11 19:15:37,421 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:37,421 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 805 places, 770 transitions, 46144 flow [2021-06-11 19:15:37,421 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 805 places, 770 transitions, 46144 flow [2021-06-11 19:15:37,435 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 770 transitions, 46144 flow [2021-06-11 19:15:38,540 INFO L129 PetriNetUnfolder]: 280/3706 cut-off events. [2021-06-11 19:15:38,540 INFO L130 PetriNetUnfolder]: For 265802/265952 co-relation queries the response was YES. [2021-06-11 19:15:38,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37357 conditions, 3706 events. 280/3706 cut-off events. For 265802/265952 co-relation queries the response was YES. Maximal size of possible extension queue 667. Compared 56251 event pairs, 0 based on Foata normal form. 1/3615 useless extension candidates. Maximal degree in co-relation 37153. Up to 560 conditions per place. [2021-06-11 19:15:38,649 INFO L151 LiptonReduction]: Number of co-enabled transitions 4516 [2021-06-11 19:15:38,747 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:38,747 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:38,747 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1326 [2021-06-11 19:15:38,747 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 770 transitions, 46144 flow [2021-06-11 19:15:38,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:38,747 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:38,747 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:38,747 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-06-11 19:15:38,747 INFO L428 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:38,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1652673100, now seen corresponding path program 220 times [2021-06-11 19:15:38,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:38,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671724066] [2021-06-11 19:15:38,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:38,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:38,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:38,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:38,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:38,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:38,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:38,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:38,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:38,781 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:15:38,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:15:38,805 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:38,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:38,825 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:38,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:38,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671724066] [2021-06-11 19:15:38,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:38,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:38,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187106572] [2021-06-11 19:15:38,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:38,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:38,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:38,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:38,845 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:38,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 770 transitions, 46144 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:38,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:38,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:38,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:40,921 INFO L129 PetriNetUnfolder]: 293/3730 cut-off events. [2021-06-11 19:15:40,921 INFO L130 PetriNetUnfolder]: For 269230/269344 co-relation queries the response was YES. [2021-06-11 19:15:40,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39051 conditions, 3730 events. 293/3730 cut-off events. For 269230/269344 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 56045 event pairs, 13 based on Foata normal form. 12/3692 useless extension candidates. Maximal degree in co-relation 38846. Up to 731 conditions per place. [2021-06-11 19:15:40,984 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 304 changer transitions 2/774 dead transitions. [2021-06-11 19:15:40,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 774 transitions, 47736 flow [2021-06-11 19:15:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:40,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:40,985 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:40,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:40,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:40,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:40,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:40,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:40,986 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:40,986 INFO L185 Difference]: Start difference. First operand has 803 places, 770 transitions, 46144 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:40,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 810 places, 774 transitions, 47736 flow [2021-06-11 19:15:43,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 774 transitions, 47138 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:15:43,335 INFO L241 Difference]: Finished difference. Result has 806 places, 768 transitions, 46020 flow [2021-06-11 19:15:43,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45554, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46020, PETRI_PLACES=806, PETRI_TRANSITIONS=768} [2021-06-11 19:15:43,336 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-06-11 19:15:43,336 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:43,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 768 transitions, 46020 flow [2021-06-11 19:15:43,336 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 768 transitions, 46020 flow [2021-06-11 19:15:43,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 768 transitions, 46020 flow [2021-06-11 19:15:44,389 INFO L129 PetriNetUnfolder]: 279/3696 cut-off events. [2021-06-11 19:15:44,389 INFO L130 PetriNetUnfolder]: For 265164/265314 co-relation queries the response was YES. [2021-06-11 19:15:44,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37277 conditions, 3696 events. 279/3696 cut-off events. For 265164/265314 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 56068 event pairs, 0 based on Foata normal form. 1/3605 useless extension candidates. Maximal degree in co-relation 37073. Up to 558 conditions per place. [2021-06-11 19:15:44,492 INFO L151 LiptonReduction]: Number of co-enabled transitions 4498 [2021-06-11 19:15:44,579 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:44,579 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:44,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1243 [2021-06-11 19:15:44,580 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 768 transitions, 46020 flow [2021-06-11 19:15:44,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:44,580 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:44,580 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:44,580 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-06-11 19:15:44,580 INFO L428 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:44,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:44,580 INFO L82 PathProgramCache]: Analyzing trace with hash -911473730, now seen corresponding path program 221 times [2021-06-11 19:15:44,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:44,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452106648] [2021-06-11 19:15:44,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:44,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:44,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:44,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:44,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:44,596 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:44,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:44,613 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:15:44,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:15:44,638 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:44,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:44,657 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:44,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:44,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452106648] [2021-06-11 19:15:44,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:44,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:44,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136000392] [2021-06-11 19:15:44,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:44,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:44,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:44,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:44,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:44,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 768 transitions, 46020 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:44,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:44,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:44,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:46,576 INFO L129 PetriNetUnfolder]: 292/3720 cut-off events. [2021-06-11 19:15:46,576 INFO L130 PetriNetUnfolder]: For 268633/268749 co-relation queries the response was YES. [2021-06-11 19:15:46,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38968 conditions, 3720 events. 292/3720 cut-off events. For 268633/268749 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 55813 event pairs, 13 based on Foata normal form. 13/3683 useless extension candidates. Maximal degree in co-relation 38763. Up to 731 conditions per place. [2021-06-11 19:15:46,651 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 455 selfloop transitions, 299 changer transitions 3/771 dead transitions. [2021-06-11 19:15:46,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 771 transitions, 47588 flow [2021-06-11 19:15:46,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:15:46,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:15:46,652 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:15:46,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:15:46,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:46,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:15:46,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:46,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:46,652 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:46,653 INFO L185 Difference]: Start difference. First operand has 805 places, 768 transitions, 46020 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:15:46,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 771 transitions, 47588 flow [2021-06-11 19:15:49,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 771 transitions, 47001 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-06-11 19:15:49,150 INFO L241 Difference]: Finished difference. Result has 808 places, 765 transitions, 45858 flow [2021-06-11 19:15:49,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45439, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=768, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45858, PETRI_PLACES=808, PETRI_TRANSITIONS=765} [2021-06-11 19:15:49,150 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-06-11 19:15:49,150 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:49,150 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 765 transitions, 45858 flow [2021-06-11 19:15:49,151 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 765 transitions, 45858 flow [2021-06-11 19:15:49,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 765 transitions, 45858 flow [2021-06-11 19:15:50,285 INFO L129 PetriNetUnfolder]: 278/3685 cut-off events. [2021-06-11 19:15:50,285 INFO L130 PetriNetUnfolder]: For 262934/263050 co-relation queries the response was YES. [2021-06-11 19:15:50,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37216 conditions, 3685 events. 278/3685 cut-off events. For 262934/263050 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55628 event pairs, 0 based on Foata normal form. 1/3635 useless extension candidates. Maximal degree in co-relation 37013. Up to 556 conditions per place. [2021-06-11 19:15:50,377 INFO L151 LiptonReduction]: Number of co-enabled transitions 4490 [2021-06-11 19:15:50,459 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:50,459 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:50,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1309 [2021-06-11 19:15:50,460 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 765 transitions, 45858 flow [2021-06-11 19:15:50,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:50,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:50,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:50,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-06-11 19:15:50,460 INFO L428 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:50,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:50,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1083225230, now seen corresponding path program 222 times [2021-06-11 19:15:50,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:50,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847448835] [2021-06-11 19:15:50,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:50,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:50,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:50,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:50,478 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:50,496 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:15:50,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:15:50,521 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:15:50,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:15:50,541 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:50,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:50,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847448835] [2021-06-11 19:15:50,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:50,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:50,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511762791] [2021-06-11 19:15:50,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:50,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:50,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:50,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:50,561 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:50,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 765 transitions, 45858 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:50,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:50,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:50,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:52,501 INFO L129 PetriNetUnfolder]: 291/3709 cut-off events. [2021-06-11 19:15:52,501 INFO L130 PetriNetUnfolder]: For 266498/266614 co-relation queries the response was YES. [2021-06-11 19:15:52,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38903 conditions, 3709 events. 291/3709 cut-off events. For 266498/266614 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55692 event pairs, 13 based on Foata normal form. 13/3672 useless extension candidates. Maximal degree in co-relation 38699. Up to 731 conditions per place. [2021-06-11 19:15:52,567 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 292 changer transitions 2/769 dead transitions. [2021-06-11 19:15:52,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 769 transitions, 47440 flow [2021-06-11 19:15:52,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:52,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:52,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:52,569 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:52,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:52,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:52,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:52,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:52,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:52,569 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:52,569 INFO L185 Difference]: Start difference. First operand has 805 places, 765 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:52,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 769 transitions, 47440 flow [2021-06-11 19:15:54,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 769 transitions, 46642 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-06-11 19:15:54,951 INFO L241 Difference]: Finished difference. Result has 806 places, 763 transitions, 45514 flow [2021-06-11 19:15:54,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45068, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45514, PETRI_PLACES=806, PETRI_TRANSITIONS=763} [2021-06-11 19:15:54,952 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-06-11 19:15:54,952 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:15:54,952 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 763 transitions, 45514 flow [2021-06-11 19:15:54,952 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 763 transitions, 45514 flow [2021-06-11 19:15:54,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 763 transitions, 45514 flow [2021-06-11 19:15:55,989 INFO L129 PetriNetUnfolder]: 277/3675 cut-off events. [2021-06-11 19:15:55,989 INFO L130 PetriNetUnfolder]: For 261136/261251 co-relation queries the response was YES. [2021-06-11 19:15:56,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36946 conditions, 3675 events. 277/3675 cut-off events. For 261136/261251 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55532 event pairs, 0 based on Foata normal form. 1/3623 useless extension candidates. Maximal degree in co-relation 36743. Up to 554 conditions per place. [2021-06-11 19:15:56,088 INFO L151 LiptonReduction]: Number of co-enabled transitions 4486 [2021-06-11 19:15:56,170 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:15:56,170 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:15:56,170 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1218 [2021-06-11 19:15:56,170 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 763 transitions, 45514 flow [2021-06-11 19:15:56,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:56,170 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:15:56,171 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:15:56,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-06-11 19:15:56,171 INFO L428 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:15:56,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:15:56,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1983543004, now seen corresponding path program 223 times [2021-06-11 19:15:56,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:15:56,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965517823] [2021-06-11 19:15:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:15:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:15:56,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:56,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:15:56,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:56,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:15:56,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:15:56,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:15:56,187 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:15:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:15:56,215 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:15:56,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:15:56,238 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:15:56,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:15:56,256 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:15:56,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:15:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:15:56,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965517823] [2021-06-11 19:15:56,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:15:56,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:15:56,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511814505] [2021-06-11 19:15:56,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:15:56,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:15:56,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:15:56,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:15:56,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:15:56,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 763 transitions, 45514 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:56,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:15:56,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:15:56,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:15:58,222 INFO L129 PetriNetUnfolder]: 290/3699 cut-off events. [2021-06-11 19:15:58,223 INFO L130 PetriNetUnfolder]: For 264868/264982 co-relation queries the response was YES. [2021-06-11 19:15:58,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38630 conditions, 3699 events. 290/3699 cut-off events. For 264868/264982 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55534 event pairs, 13 based on Foata normal form. 12/3661 useless extension candidates. Maximal degree in co-relation 38426. Up to 731 conditions per place. [2021-06-11 19:15:58,289 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 291 changer transitions 2/767 dead transitions. [2021-06-11 19:15:58,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 767 transitions, 47092 flow [2021-06-11 19:15:58,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:15:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:15:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:15:58,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:15:58,290 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:15:58,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:15:58,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:15:58,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:15:58,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:58,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:58,291 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:15:58,291 INFO L185 Difference]: Start difference. First operand has 805 places, 763 transitions, 45514 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:15:58,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 767 transitions, 47092 flow [2021-06-11 19:16:00,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 767 transitions, 46510 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-06-11 19:16:00,716 INFO L241 Difference]: Finished difference. Result has 808 places, 761 transitions, 45386 flow [2021-06-11 19:16:00,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44940, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45386, PETRI_PLACES=808, PETRI_TRANSITIONS=761} [2021-06-11 19:16:00,716 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-06-11 19:16:00,716 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:00,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 761 transitions, 45386 flow [2021-06-11 19:16:00,716 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 761 transitions, 45386 flow [2021-06-11 19:16:00,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 807 places, 761 transitions, 45386 flow [2021-06-11 19:16:01,725 INFO L129 PetriNetUnfolder]: 276/3665 cut-off events. [2021-06-11 19:16:01,725 INFO L130 PetriNetUnfolder]: For 259505/259653 co-relation queries the response was YES. [2021-06-11 19:16:01,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36898 conditions, 3665 events. 276/3665 cut-off events. For 259505/259653 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 55325 event pairs, 0 based on Foata normal form. 0/3613 useless extension candidates. Maximal degree in co-relation 36696. Up to 552 conditions per place. [2021-06-11 19:16:01,822 INFO L151 LiptonReduction]: Number of co-enabled transitions 4474 [2021-06-11 19:16:01,914 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:01,914 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:01,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1198 [2021-06-11 19:16:01,914 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 761 transitions, 45386 flow [2021-06-11 19:16:01,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:01,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:01,914 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:01,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-06-11 19:16:01,914 INFO L428 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:01,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:01,915 INFO L82 PathProgramCache]: Analyzing trace with hash -238904126, now seen corresponding path program 224 times [2021-06-11 19:16:01,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:01,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166335840] [2021-06-11 19:16:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:01,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:01,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:01,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:01,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:01,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:01,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:16:01,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:16:01,948 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:16:01,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:16:01,961 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:16:01,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:16:01,979 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:01,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:01,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166335840] [2021-06-11 19:16:01,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:01,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:01,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195960278] [2021-06-11 19:16:01,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:01,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:01,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:01,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:01,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:01,997 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 761 transitions, 45386 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:01,997 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:01,997 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:01,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:03,994 INFO L129 PetriNetUnfolder]: 289/3689 cut-off events. [2021-06-11 19:16:03,994 INFO L130 PetriNetUnfolder]: For 262831/262947 co-relation queries the response was YES. [2021-06-11 19:16:04,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38579 conditions, 3689 events. 289/3689 cut-off events. For 262831/262947 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 55297 event pairs, 13 based on Foata normal form. 13/3652 useless extension candidates. Maximal degree in co-relation 38376. Up to 731 conditions per place. [2021-06-11 19:16:04,052 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 450 selfloop transitions, 296 changer transitions 5/765 dead transitions. [2021-06-11 19:16:04,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 814 places, 765 transitions, 46960 flow [2021-06-11 19:16:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:04,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:04,053 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:04,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:04,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:04,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:04,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:04,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:04,054 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:04,054 INFO L185 Difference]: Start difference. First operand has 807 places, 761 transitions, 45386 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:04,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 814 places, 765 transitions, 46960 flow [2021-06-11 19:16:06,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 809 places, 765 transitions, 46376 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:16:06,497 INFO L241 Difference]: Finished difference. Result has 810 places, 756 transitions, 45054 flow [2021-06-11 19:16:06,497 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44810, PETRI_DIFFERENCE_MINUEND_PLACES=802, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45054, PETRI_PLACES=810, PETRI_TRANSITIONS=756} [2021-06-11 19:16:06,497 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-06-11 19:16:06,498 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:06,498 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 756 transitions, 45054 flow [2021-06-11 19:16:06,498 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 756 transitions, 45054 flow [2021-06-11 19:16:06,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 806 places, 756 transitions, 45054 flow [2021-06-11 19:16:07,566 INFO L129 PetriNetUnfolder]: 275/3647 cut-off events. [2021-06-11 19:16:07,566 INFO L130 PetriNetUnfolder]: For 257584/257709 co-relation queries the response was YES. [2021-06-11 19:16:07,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36639 conditions, 3647 events. 275/3647 cut-off events. For 257584/257709 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 54898 event pairs, 0 based on Foata normal form. 1/3594 useless extension candidates. Maximal degree in co-relation 36437. Up to 550 conditions per place. [2021-06-11 19:16:07,669 INFO L151 LiptonReduction]: Number of co-enabled transitions 4430 [2021-06-11 19:16:07,761 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:07,761 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:07,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1263 [2021-06-11 19:16:07,761 INFO L480 AbstractCegarLoop]: Abstraction has has 806 places, 756 transitions, 45054 flow [2021-06-11 19:16:07,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:07,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:07,761 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:07,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-06-11 19:16:07,761 INFO L428 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:07,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:07,762 INFO L82 PathProgramCache]: Analyzing trace with hash 21695256, now seen corresponding path program 225 times [2021-06-11 19:16:07,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:07,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025055294] [2021-06-11 19:16:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:07,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:07,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:07,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:07,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:07,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:07,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:07,777 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:16:07,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:16:07,786 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:16:07,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:16:07,798 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:16:07,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:16:07,823 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:07,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:07,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025055294] [2021-06-11 19:16:07,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:07,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:07,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758699539] [2021-06-11 19:16:07,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:07,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:07,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:07,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:07,847 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:07,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 806 places, 756 transitions, 45054 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:07,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:07,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:07,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:09,707 INFO L129 PetriNetUnfolder]: 288/3671 cut-off events. [2021-06-11 19:16:09,708 INFO L130 PetriNetUnfolder]: For 261147/261263 co-relation queries the response was YES. [2021-06-11 19:16:09,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38312 conditions, 3671 events. 288/3671 cut-off events. For 261147/261263 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 55001 event pairs, 13 based on Foata normal form. 13/3635 useless extension candidates. Maximal degree in co-relation 38109. Up to 731 conditions per place. [2021-06-11 19:16:09,778 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 280 changer transitions 0/772 dead transitions. [2021-06-11 19:16:09,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 813 places, 772 transitions, 47294 flow [2021-06-11 19:16:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:09,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:09,779 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:09,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:09,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:09,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:09,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:09,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:09,780 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:09,780 INFO L185 Difference]: Start difference. First operand has 806 places, 756 transitions, 45054 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:09,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 813 places, 772 transitions, 47294 flow [2021-06-11 19:16:12,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 772 transitions, 46674 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-06-11 19:16:12,060 INFO L241 Difference]: Finished difference. Result has 810 places, 765 transitions, 45595 flow [2021-06-11 19:16:12,061 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44464, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45595, PETRI_PLACES=810, PETRI_TRANSITIONS=765} [2021-06-11 19:16:12,061 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-06-11 19:16:12,061 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:12,061 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 765 transitions, 45595 flow [2021-06-11 19:16:12,061 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 765 transitions, 45595 flow [2021-06-11 19:16:12,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 810 places, 765 transitions, 45595 flow [2021-06-11 19:16:13,078 INFO L129 PetriNetUnfolder]: 275/3646 cut-off events. [2021-06-11 19:16:13,079 INFO L130 PetriNetUnfolder]: For 255989/256105 co-relation queries the response was YES. [2021-06-11 19:16:13,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36299 conditions, 3646 events. 275/3646 cut-off events. For 255989/256105 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54906 event pairs, 0 based on Foata normal form. 1/3598 useless extension candidates. Maximal degree in co-relation 36096. Up to 550 conditions per place. [2021-06-11 19:16:13,263 INFO L151 LiptonReduction]: Number of co-enabled transitions 4466 [2021-06-11 19:16:13,344 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:13,344 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:13,344 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1283 [2021-06-11 19:16:13,344 INFO L480 AbstractCegarLoop]: Abstraction has has 810 places, 765 transitions, 45595 flow [2021-06-11 19:16:13,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:13,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:13,345 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:13,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-06-11 19:16:13,345 INFO L428 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:13,345 INFO L82 PathProgramCache]: Analyzing trace with hash -932479938, now seen corresponding path program 226 times [2021-06-11 19:16:13,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:13,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372597491] [2021-06-11 19:16:13,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:13,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:13,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:13,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:13,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:13,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:13,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:13,361 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:16:13,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:16:13,371 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:16:13,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:16:13,395 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:16:13,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:16:13,414 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:13,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:13,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372597491] [2021-06-11 19:16:13,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:13,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:13,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45585540] [2021-06-11 19:16:13,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:13,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:13,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:13,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:13,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:13,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 765 transitions, 45595 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:13,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:13,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:13,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:15,350 INFO L129 PetriNetUnfolder]: 288/3670 cut-off events. [2021-06-11 19:16:15,350 INFO L130 PetriNetUnfolder]: For 259300/259416 co-relation queries the response was YES. [2021-06-11 19:16:15,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37972 conditions, 3670 events. 288/3670 cut-off events. For 259300/259416 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54944 event pairs, 13 based on Foata normal form. 13/3634 useless extension candidates. Maximal degree in co-relation 37768. Up to 731 conditions per place. [2021-06-11 19:16:15,418 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 480 selfloop transitions, 276 changer transitions 2/772 dead transitions. [2021-06-11 19:16:15,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 772 transitions, 47313 flow [2021-06-11 19:16:15,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:15,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:15,419 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:15,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:15,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:15,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:15,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:15,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:15,420 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:15,420 INFO L185 Difference]: Start difference. First operand has 810 places, 765 transitions, 45595 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:15,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 817 places, 772 transitions, 47313 flow [2021-06-11 19:16:17,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 815 places, 772 transitions, 46903 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-06-11 19:16:17,734 INFO L241 Difference]: Finished difference. Result has 817 places, 766 transitions, 45776 flow [2021-06-11 19:16:17,734 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45185, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45776, PETRI_PLACES=817, PETRI_TRANSITIONS=766} [2021-06-11 19:16:17,734 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 779 predicate places. [2021-06-11 19:16:17,734 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:17,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 817 places, 766 transitions, 45776 flow [2021-06-11 19:16:17,734 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 817 places, 766 transitions, 45776 flow [2021-06-11 19:16:17,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 816 places, 766 transitions, 45776 flow [2021-06-11 19:16:18,757 INFO L129 PetriNetUnfolder]: 274/3636 cut-off events. [2021-06-11 19:16:18,757 INFO L130 PetriNetUnfolder]: For 259203/259319 co-relation queries the response was YES. [2021-06-11 19:16:18,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36736 conditions, 3636 events. 274/3636 cut-off events. For 259203/259319 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54763 event pairs, 0 based on Foata normal form. 1/3587 useless extension candidates. Maximal degree in co-relation 36531. Up to 548 conditions per place. [2021-06-11 19:16:18,858 INFO L151 LiptonReduction]: Number of co-enabled transitions 4468 [2021-06-11 19:16:18,941 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:18,941 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:18,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1207 [2021-06-11 19:16:18,941 INFO L480 AbstractCegarLoop]: Abstraction has has 816 places, 766 transitions, 45776 flow [2021-06-11 19:16:18,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:18,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:18,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:18,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-06-11 19:16:18,941 INFO L428 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:18,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:18,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2081982842, now seen corresponding path program 227 times [2021-06-11 19:16:18,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:18,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467412825] [2021-06-11 19:16:18,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:18,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:18,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:18,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:18,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:18,958 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:16:18,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:16:18,967 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:16:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:16:18,981 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:16:18,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:16:18,998 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:18,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:19,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467412825] [2021-06-11 19:16:19,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:19,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:19,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180925608] [2021-06-11 19:16:19,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:19,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:19,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:19,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:19,017 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:19,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 816 places, 766 transitions, 45776 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:19,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:19,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:19,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:20,979 INFO L129 PetriNetUnfolder]: 287/3660 cut-off events. [2021-06-11 19:16:20,980 INFO L130 PetriNetUnfolder]: For 262699/262813 co-relation queries the response was YES. [2021-06-11 19:16:21,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38405 conditions, 3660 events. 287/3660 cut-off events. For 262699/262813 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54799 event pairs, 13 based on Foata normal form. 12/3623 useless extension candidates. Maximal degree in co-relation 38199. Up to 731 conditions per place. [2021-06-11 19:16:21,044 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 276 changer transitions 5/770 dead transitions. [2021-06-11 19:16:21,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 823 places, 770 transitions, 47360 flow [2021-06-11 19:16:21,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:21,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:21,045 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:21,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:21,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:21,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:21,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:21,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:21,046 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:21,046 INFO L185 Difference]: Start difference. First operand has 816 places, 766 transitions, 45776 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:21,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 823 places, 770 transitions, 47360 flow [2021-06-11 19:16:23,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 770 transitions, 46734 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:16:23,446 INFO L241 Difference]: Finished difference. Result has 819 places, 761 transitions, 45365 flow [2021-06-11 19:16:23,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45158, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=766, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45365, PETRI_PLACES=819, PETRI_TRANSITIONS=761} [2021-06-11 19:16:23,447 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-06-11 19:16:23,447 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:23,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 761 transitions, 45365 flow [2021-06-11 19:16:23,447 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 761 transitions, 45365 flow [2021-06-11 19:16:23,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 761 transitions, 45365 flow [2021-06-11 19:16:24,428 INFO L129 PetriNetUnfolder]: 273/3619 cut-off events. [2021-06-11 19:16:24,428 INFO L130 PetriNetUnfolder]: For 257549/257696 co-relation queries the response was YES. [2021-06-11 19:16:24,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36443 conditions, 3619 events. 273/3619 cut-off events. For 257549/257696 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54488 event pairs, 0 based on Foata normal form. 0/3568 useless extension candidates. Maximal degree in co-relation 36238. Up to 546 conditions per place. [2021-06-11 19:16:24,525 INFO L151 LiptonReduction]: Number of co-enabled transitions 4432 [2021-06-11 19:16:24,615 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:24,616 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:24,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1169 [2021-06-11 19:16:24,616 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 761 transitions, 45365 flow [2021-06-11 19:16:24,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:24,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:24,616 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:24,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-06-11 19:16:24,616 INFO L428 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:24,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:24,616 INFO L82 PathProgramCache]: Analyzing trace with hash -394624360, now seen corresponding path program 228 times [2021-06-11 19:16:24,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:24,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022658077] [2021-06-11 19:16:24,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:24,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:24,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:24,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:24,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:24,635 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:16:24,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:16:24,645 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:16:24,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:16:24,659 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:16:24,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:16:24,681 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:24,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:24,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022658077] [2021-06-11 19:16:24,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:24,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:24,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670778314] [2021-06-11 19:16:24,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:24,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:24,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:24,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:24,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:24,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 761 transitions, 45365 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:24,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:24,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:24,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:26,704 INFO L129 PetriNetUnfolder]: 286/3643 cut-off events. [2021-06-11 19:16:26,704 INFO L130 PetriNetUnfolder]: For 260940/261054 co-relation queries the response was YES. [2021-06-11 19:16:26,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38106 conditions, 3643 events. 286/3643 cut-off events. For 260940/261054 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54447 event pairs, 13 based on Foata normal form. 12/3606 useless extension candidates. Maximal degree in co-relation 37900. Up to 731 conditions per place. [2021-06-11 19:16:26,761 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 476 selfloop transitions, 271 changer transitions 3/764 dead transitions. [2021-06-11 19:16:26,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 764 transitions, 46919 flow [2021-06-11 19:16:26,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:16:26,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:16:26,762 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:16:26,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:16:26,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:26,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:16:26,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:26,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:26,763 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:26,763 INFO L185 Difference]: Start difference. First operand has 817 places, 761 transitions, 45365 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:16:26,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 764 transitions, 46919 flow [2021-06-11 19:16:28,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 764 transitions, 46360 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-06-11 19:16:29,008 INFO L241 Difference]: Finished difference. Result has 819 places, 758 transitions, 45179 flow [2021-06-11 19:16:29,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44818, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45179, PETRI_PLACES=819, PETRI_TRANSITIONS=758} [2021-06-11 19:16:29,008 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-06-11 19:16:29,008 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:29,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 758 transitions, 45179 flow [2021-06-11 19:16:29,008 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 758 transitions, 45179 flow [2021-06-11 19:16:29,021 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 758 transitions, 45179 flow [2021-06-11 19:16:30,025 INFO L129 PetriNetUnfolder]: 272/3608 cut-off events. [2021-06-11 19:16:30,025 INFO L130 PetriNetUnfolder]: For 254039/254164 co-relation queries the response was YES. [2021-06-11 19:16:30,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35974 conditions, 3608 events. 272/3608 cut-off events. For 254039/254164 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54232 event pairs, 0 based on Foata normal form. 1/3553 useless extension candidates. Maximal degree in co-relation 35770. Up to 544 conditions per place. [2021-06-11 19:16:30,126 INFO L151 LiptonReduction]: Number of co-enabled transitions 4426 [2021-06-11 19:16:30,216 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:30,216 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:30,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1208 [2021-06-11 19:16:30,216 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 758 transitions, 45179 flow [2021-06-11 19:16:30,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:30,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:30,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:30,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-06-11 19:16:30,216 INFO L428 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:30,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:30,217 INFO L82 PathProgramCache]: Analyzing trace with hash 556925058, now seen corresponding path program 229 times [2021-06-11 19:16:30,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:30,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319653541] [2021-06-11 19:16:30,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:30,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:30,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:30,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:30,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:30,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:30,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:30,232 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:16:30,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:16:30,242 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:16:30,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:16:30,266 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:16:30,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:16:30,283 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:30,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:30,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319653541] [2021-06-11 19:16:30,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:30,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:30,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206793159] [2021-06-11 19:16:30,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:30,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:30,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:30,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:30,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:30,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 758 transitions, 45179 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:30,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:30,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:30,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:32,214 INFO L129 PetriNetUnfolder]: 285/3632 cut-off events. [2021-06-11 19:16:32,214 INFO L130 PetriNetUnfolder]: For 257237/257353 co-relation queries the response was YES. [2021-06-11 19:16:32,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37634 conditions, 3632 events. 285/3632 cut-off events. For 257237/257353 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 54314 event pairs, 13 based on Foata normal form. 13/3596 useless extension candidates. Maximal degree in co-relation 37429. Up to 731 conditions per place. [2021-06-11 19:16:32,277 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 271 changer transitions 3/762 dead transitions. [2021-06-11 19:16:32,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 762 transitions, 46739 flow [2021-06-11 19:16:32,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:16:32,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:16:32,277 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:16:32,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:16:32,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:32,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:16:32,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:32,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:32,278 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:32,278 INFO L185 Difference]: Start difference. First operand has 817 places, 758 transitions, 45179 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:16:32,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 762 transitions, 46739 flow [2021-06-11 19:16:34,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 819 places, 762 transitions, 46187 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-06-11 19:16:34,611 INFO L241 Difference]: Finished difference. Result has 820 places, 755 transitions, 44989 flow [2021-06-11 19:16:34,611 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44635, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44989, PETRI_PLACES=820, PETRI_TRANSITIONS=755} [2021-06-11 19:16:34,612 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 782 predicate places. [2021-06-11 19:16:34,612 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:34,612 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 820 places, 755 transitions, 44989 flow [2021-06-11 19:16:34,612 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 820 places, 755 transitions, 44989 flow [2021-06-11 19:16:34,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 818 places, 755 transitions, 44989 flow [2021-06-11 19:16:35,646 INFO L129 PetriNetUnfolder]: 271/3597 cut-off events. [2021-06-11 19:16:35,646 INFO L130 PetriNetUnfolder]: For 253090/253206 co-relation queries the response was YES. [2021-06-11 19:16:35,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35857 conditions, 3597 events. 271/3597 cut-off events. For 253090/253206 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 54018 event pairs, 0 based on Foata normal form. 1/3549 useless extension candidates. Maximal degree in co-relation 35653. Up to 542 conditions per place. [2021-06-11 19:16:35,757 INFO L151 LiptonReduction]: Number of co-enabled transitions 4412 [2021-06-11 19:16:35,848 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:35,849 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:35,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1237 [2021-06-11 19:16:35,849 INFO L480 AbstractCegarLoop]: Abstraction has has 818 places, 755 transitions, 44989 flow [2021-06-11 19:16:35,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:35,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:35,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:35,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-06-11 19:16:35,849 INFO L428 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:35,849 INFO L82 PathProgramCache]: Analyzing trace with hash 588344800, now seen corresponding path program 230 times [2021-06-11 19:16:35,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:35,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532197911] [2021-06-11 19:16:35,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:35,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:35,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:35,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:35,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:35,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:35,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:35,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:16:35,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:16:35,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:16:35,887 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:16:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:16:35,905 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:35,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:35,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532197911] [2021-06-11 19:16:35,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:35,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:35,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168289763] [2021-06-11 19:16:35,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:35,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:35,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:35,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:35,923 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:35,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 818 places, 755 transitions, 44989 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:35,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:35,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:35,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:37,732 INFO L129 PetriNetUnfolder]: 284/3621 cut-off events. [2021-06-11 19:16:37,732 INFO L130 PetriNetUnfolder]: For 256299/256415 co-relation queries the response was YES. [2021-06-11 19:16:37,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37513 conditions, 3621 events. 284/3621 cut-off events. For 256299/256415 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 54087 event pairs, 13 based on Foata normal form. 13/3585 useless extension candidates. Maximal degree in co-relation 37308. Up to 681 conditions per place. [2021-06-11 19:16:37,795 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 484 selfloop transitions, 295 changer transitions 5/798 dead transitions. [2021-06-11 19:16:37,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 825 places, 798 transitions, 48745 flow [2021-06-11 19:16:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:37,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:37,796 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:37,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:37,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:37,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:37,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:37,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:37,797 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:37,797 INFO L185 Difference]: Start difference. First operand has 818 places, 755 transitions, 44989 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:37,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 825 places, 798 transitions, 48745 flow [2021-06-11 19:16:40,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 798 transitions, 48188 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-06-11 19:16:40,070 INFO L241 Difference]: Finished difference. Result has 823 places, 753 transitions, 44973 flow [2021-06-11 19:16:40,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44478, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44973, PETRI_PLACES=823, PETRI_TRANSITIONS=753} [2021-06-11 19:16:40,070 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-06-11 19:16:40,070 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:40,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 753 transitions, 44973 flow [2021-06-11 19:16:40,070 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 753 transitions, 44973 flow [2021-06-11 19:16:40,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 821 places, 753 transitions, 44973 flow [2021-06-11 19:16:41,115 INFO L129 PetriNetUnfolder]: 270/3580 cut-off events. [2021-06-11 19:16:41,115 INFO L130 PetriNetUnfolder]: For 252318/252436 co-relation queries the response was YES. [2021-06-11 19:16:41,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35739 conditions, 3580 events. 270/3580 cut-off events. For 252318/252436 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 53788 event pairs, 0 based on Foata normal form. 1/3528 useless extension candidates. Maximal degree in co-relation 35534. Up to 540 conditions per place. [2021-06-11 19:16:41,204 INFO L151 LiptonReduction]: Number of co-enabled transitions 4406 [2021-06-11 19:16:41,283 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:41,283 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:41,283 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1213 [2021-06-11 19:16:41,283 INFO L480 AbstractCegarLoop]: Abstraction has has 821 places, 753 transitions, 44973 flow [2021-06-11 19:16:41,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:41,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:41,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:41,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-06-11 19:16:41,283 INFO L428 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:41,284 INFO L82 PathProgramCache]: Analyzing trace with hash -451141352, now seen corresponding path program 231 times [2021-06-11 19:16:41,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:41,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475305315] [2021-06-11 19:16:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:41,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:41,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:41,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:41,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:41,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:41,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:41,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:41,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:16:41,313 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:16:41,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:16:41,328 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:16:41,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:16:41,347 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:41,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:41,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475305315] [2021-06-11 19:16:41,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:41,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:41,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520724541] [2021-06-11 19:16:41,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:41,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:41,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:41,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:41,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:41,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 821 places, 753 transitions, 44973 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:41,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:41,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:41,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:43,194 INFO L129 PetriNetUnfolder]: 283/3604 cut-off events. [2021-06-11 19:16:43,194 INFO L130 PetriNetUnfolder]: For 255554/255673 co-relation queries the response was YES. [2021-06-11 19:16:43,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37389 conditions, 3604 events. 283/3604 cut-off events. For 255554/255673 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 53786 event pairs, 13 based on Foata normal form. 13/3568 useless extension candidates. Maximal degree in co-relation 37183. Up to 681 conditions per place. [2021-06-11 19:16:43,255 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 488 selfloop transitions, 289 changer transitions 2/793 dead transitions. [2021-06-11 19:16:43,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 793 transitions, 48475 flow [2021-06-11 19:16:43,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:43,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:43,257 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:43,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:43,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:43,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:43,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:43,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:43,257 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:43,258 INFO L185 Difference]: Start difference. First operand has 821 places, 753 transitions, 44973 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:43,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 793 transitions, 48475 flow [2021-06-11 19:16:45,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 793 transitions, 47877 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-06-11 19:16:45,647 INFO L241 Difference]: Finished difference. Result has 823 places, 757 transitions, 45294 flow [2021-06-11 19:16:45,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44391, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45294, PETRI_PLACES=823, PETRI_TRANSITIONS=757} [2021-06-11 19:16:45,647 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-06-11 19:16:45,647 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:45,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 757 transitions, 45294 flow [2021-06-11 19:16:45,648 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 757 transitions, 45294 flow [2021-06-11 19:16:45,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 757 transitions, 45294 flow [2021-06-11 19:16:46,661 INFO L129 PetriNetUnfolder]: 269/3570 cut-off events. [2021-06-11 19:16:46,661 INFO L130 PetriNetUnfolder]: For 250978/251095 co-relation queries the response was YES. [2021-06-11 19:16:46,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35333 conditions, 3570 events. 269/3570 cut-off events. For 250978/251095 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 53569 event pairs, 0 based on Foata normal form. 1/3520 useless extension candidates. Maximal degree in co-relation 35129. Up to 538 conditions per place. [2021-06-11 19:16:46,763 INFO L151 LiptonReduction]: Number of co-enabled transitions 4440 [2021-06-11 19:16:46,842 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:46,842 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:46,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1195 [2021-06-11 19:16:46,842 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 757 transitions, 45294 flow [2021-06-11 19:16:46,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:46,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:46,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:46,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-06-11 19:16:46,843 INFO L428 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:46,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:46,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1705532512, now seen corresponding path program 232 times [2021-06-11 19:16:46,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:46,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847499047] [2021-06-11 19:16:46,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:46,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:46,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:46,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:46,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:46,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:46,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:46,866 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:16:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:16:46,875 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:16:46,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:16:46,899 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:16:46,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:16:46,928 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:46,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:46,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847499047] [2021-06-11 19:16:46,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:46,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:46,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232583901] [2021-06-11 19:16:46,946 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:46,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:46,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:46,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:46,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:46,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 757 transitions, 45294 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:46,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:46,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:46,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:48,836 INFO L129 PetriNetUnfolder]: 282/3594 cut-off events. [2021-06-11 19:16:48,836 INFO L130 PetriNetUnfolder]: For 253707/253825 co-relation queries the response was YES. [2021-06-11 19:16:48,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36981 conditions, 3594 events. 282/3594 cut-off events. For 253707/253825 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 53566 event pairs, 13 based on Foata normal form. 12/3557 useless extension candidates. Maximal degree in co-relation 36776. Up to 681 conditions per place. [2021-06-11 19:16:48,900 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 497 selfloop transitions, 278 changer transitions 2/791 dead transitions. [2021-06-11 19:16:48,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 829 places, 791 transitions, 48414 flow [2021-06-11 19:16:48,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:48,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:48,901 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:48,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:48,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:48,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:48,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:48,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:48,902 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:48,902 INFO L185 Difference]: Start difference. First operand has 822 places, 757 transitions, 45294 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:48,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 829 places, 791 transitions, 48414 flow [2021-06-11 19:16:51,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 791 transitions, 47875 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-06-11 19:16:51,269 INFO L241 Difference]: Finished difference. Result has 826 places, 765 transitions, 45868 flow [2021-06-11 19:16:51,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44763, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45868, PETRI_PLACES=826, PETRI_TRANSITIONS=765} [2021-06-11 19:16:51,270 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 788 predicate places. [2021-06-11 19:16:51,270 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:51,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 826 places, 765 transitions, 45868 flow [2021-06-11 19:16:51,270 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 826 places, 765 transitions, 45868 flow [2021-06-11 19:16:51,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 825 places, 765 transitions, 45868 flow [2021-06-11 19:16:52,263 INFO L129 PetriNetUnfolder]: 268/3560 cut-off events. [2021-06-11 19:16:52,263 INFO L130 PetriNetUnfolder]: For 252984/253115 co-relation queries the response was YES. [2021-06-11 19:16:52,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35360 conditions, 3560 events. 268/3560 cut-off events. For 252984/253115 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53390 event pairs, 0 based on Foata normal form. 1/3507 useless extension candidates. Maximal degree in co-relation 35156. Up to 536 conditions per place. [2021-06-11 19:16:52,360 INFO L151 LiptonReduction]: Number of co-enabled transitions 4508 [2021-06-11 19:16:52,452 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:52,452 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:52,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1183 [2021-06-11 19:16:52,453 INFO L480 AbstractCegarLoop]: Abstraction has has 825 places, 765 transitions, 45868 flow [2021-06-11 19:16:52,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:52,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:52,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:52,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-06-11 19:16:52,453 INFO L428 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:52,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:52,453 INFO L82 PathProgramCache]: Analyzing trace with hash -2051579206, now seen corresponding path program 233 times [2021-06-11 19:16:52,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:52,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240343046] [2021-06-11 19:16:52,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:52,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:52,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:52,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:52,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:52,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:52,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:16:52,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:16:52,479 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:16:52,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:16:52,493 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:16:52,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:16:52,511 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:52,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:52,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240343046] [2021-06-11 19:16:52,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:52,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:52,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544539958] [2021-06-11 19:16:52,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:52,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:52,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:52,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:52,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:52,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 825 places, 765 transitions, 45868 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:52,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:52,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:52,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:54,478 INFO L129 PetriNetUnfolder]: 281/3584 cut-off events. [2021-06-11 19:16:54,478 INFO L130 PetriNetUnfolder]: For 255824/255941 co-relation queries the response was YES. [2021-06-11 19:16:54,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37005 conditions, 3584 events. 281/3584 cut-off events. For 255824/255941 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53405 event pairs, 13 based on Foata normal form. 12/3547 useless extension candidates. Maximal degree in co-relation 36800. Up to 681 conditions per place. [2021-06-11 19:16:54,536 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 494 selfloop transitions, 279 changer transitions 2/789 dead transitions. [2021-06-11 19:16:54,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 832 places, 789 transitions, 48428 flow [2021-06-11 19:16:54,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:16:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:16:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:16:54,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:16:54,537 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:16:54,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:16:54,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:16:54,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:16:54,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:54,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:54,538 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:54,538 INFO L185 Difference]: Start difference. First operand has 825 places, 765 transitions, 45868 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:16:54,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 832 places, 789 transitions, 48428 flow [2021-06-11 19:16:56,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 827 places, 789 transitions, 47990 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-06-11 19:16:56,807 INFO L241 Difference]: Finished difference. Result has 828 places, 763 transitions, 45871 flow [2021-06-11 19:16:56,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45438, PETRI_DIFFERENCE_MINUEND_PLACES=820, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45871, PETRI_PLACES=828, PETRI_TRANSITIONS=763} [2021-06-11 19:16:56,808 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 790 predicate places. [2021-06-11 19:16:56,808 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:16:56,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 828 places, 763 transitions, 45871 flow [2021-06-11 19:16:56,808 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 828 places, 763 transitions, 45871 flow [2021-06-11 19:16:56,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 763 transitions, 45871 flow [2021-06-11 19:16:57,784 INFO L129 PetriNetUnfolder]: 267/3550 cut-off events. [2021-06-11 19:16:57,784 INFO L130 PetriNetUnfolder]: For 252187/252305 co-relation queries the response was YES. [2021-06-11 19:16:57,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35447 conditions, 3550 events. 267/3550 cut-off events. For 252187/252305 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53258 event pairs, 0 based on Foata normal form. 1/3501 useless extension candidates. Maximal degree in co-relation 35245. Up to 534 conditions per place. [2021-06-11 19:16:57,880 INFO L151 LiptonReduction]: Number of co-enabled transitions 4504 [2021-06-11 19:16:57,970 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:16:57,970 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:16:57,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1163 [2021-06-11 19:16:57,971 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 763 transitions, 45871 flow [2021-06-11 19:16:57,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:57,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:16:57,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:16:57,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-06-11 19:16:57,971 INFO L428 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:16:57,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:16:57,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1006754332, now seen corresponding path program 234 times [2021-06-11 19:16:57,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:16:57,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891480791] [2021-06-11 19:16:57,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:16:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:16:57,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:16:57,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:57,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:16:57,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:16:57,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:16:57,987 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:16:57,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:16:58,004 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:16:58,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:16:58,028 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:16:58,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:16:58,046 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:16:58,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:16:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:16:58,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891480791] [2021-06-11 19:16:58,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:16:58,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:16:58,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025469122] [2021-06-11 19:16:58,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:16:58,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:16:58,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:16:58,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:16:58,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:16:58,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 763 transitions, 45871 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:16:58,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:16:58,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:16:58,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:16:59,996 INFO L129 PetriNetUnfolder]: 280/3574 cut-off events. [2021-06-11 19:16:59,996 INFO L130 PetriNetUnfolder]: For 255002/255121 co-relation queries the response was YES. [2021-06-11 19:17:00,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37089 conditions, 3574 events. 280/3574 cut-off events. For 255002/255121 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53222 event pairs, 13 based on Foata normal form. 13/3538 useless extension candidates. Maximal degree in co-relation 36886. Up to 681 conditions per place. [2021-06-11 19:17:00,059 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 284 changer transitions 2/787 dead transitions. [2021-06-11 19:17:00,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 787 transitions, 48427 flow [2021-06-11 19:17:00,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:00,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:00,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:00,060 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:00,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:00,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:00,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:00,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:00,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:00,061 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:00,061 INFO L185 Difference]: Start difference. First operand has 827 places, 763 transitions, 45871 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:00,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 787 transitions, 48427 flow [2021-06-11 19:17:02,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 787 transitions, 47924 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-06-11 19:17:02,348 INFO L241 Difference]: Finished difference. Result has 832 places, 763 transitions, 45955 flow [2021-06-11 19:17:02,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45376, PETRI_DIFFERENCE_MINUEND_PLACES=823, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45955, PETRI_PLACES=832, PETRI_TRANSITIONS=763} [2021-06-11 19:17:02,348 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 794 predicate places. [2021-06-11 19:17:02,348 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:02,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 832 places, 763 transitions, 45955 flow [2021-06-11 19:17:02,348 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 832 places, 763 transitions, 45955 flow [2021-06-11 19:17:02,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 763 transitions, 45955 flow [2021-06-11 19:17:03,338 INFO L129 PetriNetUnfolder]: 266/3540 cut-off events. [2021-06-11 19:17:03,338 INFO L130 PetriNetUnfolder]: For 252113/252231 co-relation queries the response was YES. [2021-06-11 19:17:03,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35425 conditions, 3540 events. 266/3540 cut-off events. For 252113/252231 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53090 event pairs, 0 based on Foata normal form. 1/3489 useless extension candidates. Maximal degree in co-relation 35222. Up to 532 conditions per place. [2021-06-11 19:17:03,435 INFO L151 LiptonReduction]: Number of co-enabled transitions 4496 [2021-06-11 19:17:03,525 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:03,525 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:03,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1177 [2021-06-11 19:17:03,526 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 763 transitions, 45955 flow [2021-06-11 19:17:03,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:03,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:03,526 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:03,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-06-11 19:17:03,526 INFO L428 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:03,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:03,526 INFO L82 PathProgramCache]: Analyzing trace with hash -482650664, now seen corresponding path program 235 times [2021-06-11 19:17:03,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:03,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576926255] [2021-06-11 19:17:03,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:03,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:03,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:03,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:03,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:03,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:03,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:03,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:17:03,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:17:03,561 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:17:03,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:17:03,585 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:17:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:17:03,603 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:03,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:03,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576926255] [2021-06-11 19:17:03,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:03,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:03,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519343583] [2021-06-11 19:17:03,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:03,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:03,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:03,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:03,621 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:03,621 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 763 transitions, 45955 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:03,621 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:03,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:03,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:05,380 INFO L129 PetriNetUnfolder]: 279/3564 cut-off events. [2021-06-11 19:17:05,380 INFO L130 PetriNetUnfolder]: For 254840/254960 co-relation queries the response was YES. [2021-06-11 19:17:05,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37064 conditions, 3564 events. 279/3564 cut-off events. For 254840/254960 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 53091 event pairs, 13 based on Foata normal form. 13/3528 useless extension candidates. Maximal degree in co-relation 36860. Up to 681 conditions per place. [2021-06-11 19:17:05,445 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 281 changer transitions 3/785 dead transitions. [2021-06-11 19:17:05,445 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 785 transitions, 48387 flow [2021-06-11 19:17:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:05,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:05,446 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:05,446 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:05,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:05,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:05,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:05,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:05,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:05,447 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:05,447 INFO L185 Difference]: Start difference. First operand has 831 places, 763 transitions, 45955 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:05,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 785 transitions, 48387 flow [2021-06-11 19:17:07,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 785 transitions, 48205 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-06-11 19:17:07,828 INFO L241 Difference]: Finished difference. Result has 837 places, 760 transitions, 46158 flow [2021-06-11 19:17:07,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45781, PETRI_DIFFERENCE_MINUEND_PLACES=829, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46158, PETRI_PLACES=837, PETRI_TRANSITIONS=760} [2021-06-11 19:17:07,829 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 799 predicate places. [2021-06-11 19:17:07,829 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:07,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 837 places, 760 transitions, 46158 flow [2021-06-11 19:17:07,829 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 837 places, 760 transitions, 46158 flow [2021-06-11 19:17:07,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 760 transitions, 46158 flow [2021-06-11 19:17:08,898 INFO L129 PetriNetUnfolder]: 265/3529 cut-off events. [2021-06-11 19:17:08,898 INFO L130 PetriNetUnfolder]: For 254038/254158 co-relation queries the response was YES. [2021-06-11 19:17:08,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35642 conditions, 3529 events. 265/3529 cut-off events. For 254038/254158 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52906 event pairs, 0 based on Foata normal form. 1/3479 useless extension candidates. Maximal degree in co-relation 35439. Up to 530 conditions per place. [2021-06-11 19:17:08,987 INFO L151 LiptonReduction]: Number of co-enabled transitions 4490 [2021-06-11 19:17:09,068 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:09,068 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:09,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1239 [2021-06-11 19:17:09,068 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 760 transitions, 46158 flow [2021-06-11 19:17:09,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:09,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:09,069 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:09,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-06-11 19:17:09,069 INFO L428 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:09,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:09,069 INFO L82 PathProgramCache]: Analyzing trace with hash -2093591622, now seen corresponding path program 236 times [2021-06-11 19:17:09,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:09,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063816663] [2021-06-11 19:17:09,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:09,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:09,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:09,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:09,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:09,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:09,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:09,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:17:09,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:17:09,102 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:17:09,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:17:09,123 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:17:09,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:17:09,141 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:09,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:09,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063816663] [2021-06-11 19:17:09,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:09,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:09,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646887907] [2021-06-11 19:17:09,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:09,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:09,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:09,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:09,159 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:09,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 760 transitions, 46158 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:09,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:09,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:09,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:11,002 INFO L129 PetriNetUnfolder]: 278/3553 cut-off events. [2021-06-11 19:17:11,002 INFO L130 PetriNetUnfolder]: For 256896/257019 co-relation queries the response was YES. [2021-06-11 19:17:11,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37277 conditions, 3553 events. 278/3553 cut-off events. For 256896/257019 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52847 event pairs, 13 based on Foata normal form. 13/3517 useless extension candidates. Maximal degree in co-relation 37073. Up to 681 conditions per place. [2021-06-11 19:17:11,065 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 485 selfloop transitions, 280 changer transitions 3/782 dead transitions. [2021-06-11 19:17:11,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 782 transitions, 48584 flow [2021-06-11 19:17:11,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:11,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:11,066 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:11,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:11,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:11,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:11,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:11,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:11,067 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:11,067 INFO L185 Difference]: Start difference. First operand has 836 places, 760 transitions, 46158 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:11,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 782 transitions, 48584 flow [2021-06-11 19:17:13,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 837 places, 782 transitions, 47907 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-06-11 19:17:13,416 INFO L241 Difference]: Finished difference. Result has 838 places, 757 transitions, 45858 flow [2021-06-11 19:17:13,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45489, PETRI_DIFFERENCE_MINUEND_PLACES=830, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45858, PETRI_PLACES=838, PETRI_TRANSITIONS=757} [2021-06-11 19:17:13,417 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-06-11 19:17:13,417 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:13,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 757 transitions, 45858 flow [2021-06-11 19:17:13,417 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 757 transitions, 45858 flow [2021-06-11 19:17:13,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 757 transitions, 45858 flow [2021-06-11 19:17:14,387 INFO L129 PetriNetUnfolder]: 264/3518 cut-off events. [2021-06-11 19:17:14,387 INFO L130 PetriNetUnfolder]: For 253070/253189 co-relation queries the response was YES. [2021-06-11 19:17:14,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35414 conditions, 3518 events. 264/3518 cut-off events. For 253070/253189 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52692 event pairs, 0 based on Foata normal form. 1/3467 useless extension candidates. Maximal degree in co-relation 35211. Up to 528 conditions per place. [2021-06-11 19:17:14,482 INFO L151 LiptonReduction]: Number of co-enabled transitions 4484 [2021-06-11 19:17:14,562 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:14,562 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:14,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1145 [2021-06-11 19:17:14,562 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 757 transitions, 45858 flow [2021-06-11 19:17:14,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:14,562 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:14,562 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:14,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-06-11 19:17:14,563 INFO L428 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:14,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:14,563 INFO L82 PathProgramCache]: Analyzing trace with hash 350650448, now seen corresponding path program 237 times [2021-06-11 19:17:14,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:14,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510173057] [2021-06-11 19:17:14,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:14,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:14,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:14,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:14,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:14,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:14,578 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:17:14,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:17:14,588 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:17:14,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:17:14,601 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:14,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:14,619 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:14,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:14,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510173057] [2021-06-11 19:17:14,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:14,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:14,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523875805] [2021-06-11 19:17:14,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:14,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:14,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:14,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:14,637 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:14,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 757 transitions, 45858 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:14,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:14,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:14,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:16,498 INFO L129 PetriNetUnfolder]: 277/3542 cut-off events. [2021-06-11 19:17:16,499 INFO L130 PetriNetUnfolder]: For 255765/255886 co-relation queries the response was YES. [2021-06-11 19:17:16,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37045 conditions, 3542 events. 277/3542 cut-off events. For 255765/255886 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 52673 event pairs, 13 based on Foata normal form. 12/3505 useless extension candidates. Maximal degree in co-relation 36841. Up to 681 conditions per place. [2021-06-11 19:17:16,561 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 279 changer transitions 0/779 dead transitions. [2021-06-11 19:17:16,561 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 779 transitions, 48278 flow [2021-06-11 19:17:16,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:16,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:16,562 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:16,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:16,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:16,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:16,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:16,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:16,563 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:16,563 INFO L185 Difference]: Start difference. First operand has 836 places, 757 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:16,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 779 transitions, 48278 flow [2021-06-11 19:17:18,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 779 transitions, 47652 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-06-11 19:17:19,010 INFO L241 Difference]: Finished difference. Result has 838 places, 763 transitions, 46176 flow [2021-06-11 19:17:19,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45242, PETRI_DIFFERENCE_MINUEND_PLACES=829, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46176, PETRI_PLACES=838, PETRI_TRANSITIONS=763} [2021-06-11 19:17:19,011 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-06-11 19:17:19,011 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:19,012 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 763 transitions, 46176 flow [2021-06-11 19:17:19,012 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 763 transitions, 46176 flow [2021-06-11 19:17:19,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 763 transitions, 46176 flow [2021-06-11 19:17:20,007 INFO L129 PetriNetUnfolder]: 264/3517 cut-off events. [2021-06-11 19:17:20,007 INFO L130 PetriNetUnfolder]: For 254106/254248 co-relation queries the response was YES. [2021-06-11 19:17:20,059 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35392 conditions, 3517 events. 264/3517 cut-off events. For 254106/254248 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 52699 event pairs, 0 based on Foata normal form. 1/3466 useless extension candidates. Maximal degree in co-relation 35189. Up to 528 conditions per place. [2021-06-11 19:17:20,100 INFO L151 LiptonReduction]: Number of co-enabled transitions 4496 [2021-06-11 19:17:20,188 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:20,188 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:20,188 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1177 [2021-06-11 19:17:20,188 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 763 transitions, 46176 flow [2021-06-11 19:17:20,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:20,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:20,189 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:20,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-06-11 19:17:20,189 INFO L428 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:20,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:20,189 INFO L82 PathProgramCache]: Analyzing trace with hash 598847904, now seen corresponding path program 238 times [2021-06-11 19:17:20,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:20,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418256974] [2021-06-11 19:17:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:20,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:20,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:20,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:20,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:20,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:20,204 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:17:20,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:17:20,214 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:17:20,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:17:20,227 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:20,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:20,245 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:20,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:20,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418256974] [2021-06-11 19:17:20,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:20,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:20,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268646678] [2021-06-11 19:17:20,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:20,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:20,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:20,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:20,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:20,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 763 transitions, 46176 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:20,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:20,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:20,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:22,151 INFO L129 PetriNetUnfolder]: 277/3541 cut-off events. [2021-06-11 19:17:22,152 INFO L130 PetriNetUnfolder]: For 256663/256786 co-relation queries the response was YES. [2021-06-11 19:17:22,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37022 conditions, 3541 events. 277/3541 cut-off events. For 256663/256786 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 52623 event pairs, 13 based on Foata normal form. 13/3505 useless extension candidates. Maximal degree in co-relation 36818. Up to 681 conditions per place. [2021-06-11 19:17:22,308 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 274 changer transitions 5/779 dead transitions. [2021-06-11 19:17:22,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 845 places, 779 transitions, 48286 flow [2021-06-11 19:17:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:22,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:22,309 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:22,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:22,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:22,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:22,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:22,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:22,310 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:22,310 INFO L185 Difference]: Start difference. First operand has 838 places, 763 transitions, 46176 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:22,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 845 places, 779 transitions, 48286 flow [2021-06-11 19:17:24,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 779 transitions, 47719 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-06-11 19:17:24,487 INFO L241 Difference]: Finished difference. Result has 841 places, 758 transitions, 45813 flow [2021-06-11 19:17:24,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45609, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=274, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45813, PETRI_PLACES=841, PETRI_TRANSITIONS=758} [2021-06-11 19:17:24,487 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 803 predicate places. [2021-06-11 19:17:24,487 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:24,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 841 places, 758 transitions, 45813 flow [2021-06-11 19:17:24,487 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 841 places, 758 transitions, 45813 flow [2021-06-11 19:17:24,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 839 places, 758 transitions, 45813 flow [2021-06-11 19:17:25,473 INFO L129 PetriNetUnfolder]: 263/3500 cut-off events. [2021-06-11 19:17:25,473 INFO L130 PetriNetUnfolder]: For 254027/254146 co-relation queries the response was YES. [2021-06-11 19:17:25,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35527 conditions, 3500 events. 263/3500 cut-off events. For 254027/254146 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 52361 event pairs, 0 based on Foata normal form. 1/3450 useless extension candidates. Maximal degree in co-relation 35324. Up to 526 conditions per place. [2021-06-11 19:17:25,567 INFO L151 LiptonReduction]: Number of co-enabled transitions 4460 [2021-06-11 19:17:25,658 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:25,658 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:25,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1171 [2021-06-11 19:17:25,658 INFO L480 AbstractCegarLoop]: Abstraction has has 839 places, 758 transitions, 45813 flow [2021-06-11 19:17:25,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:25,659 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:25,659 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:25,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-06-11 19:17:25,659 INFO L428 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:25,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:25,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1682436388, now seen corresponding path program 239 times [2021-06-11 19:17:25,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:25,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586709779] [2021-06-11 19:17:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:25,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:25,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:25,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:25,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:25,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:25,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:25,674 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:17:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:17:25,684 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:17:25,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:17:25,696 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:25,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:25,714 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:25,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:25,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586709779] [2021-06-11 19:17:25,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:25,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:25,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576046483] [2021-06-11 19:17:25,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:25,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:25,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:25,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:25,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:25,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 839 places, 758 transitions, 45813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:25,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:25,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:25,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:27,613 INFO L129 PetriNetUnfolder]: 276/3524 cut-off events. [2021-06-11 19:17:27,614 INFO L130 PetriNetUnfolder]: For 257162/257285 co-relation queries the response was YES. [2021-06-11 19:17:27,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37150 conditions, 3524 events. 276/3524 cut-off events. For 257162/257285 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52362 event pairs, 13 based on Foata normal form. 13/3488 useless extension candidates. Maximal degree in co-relation 36946. Up to 681 conditions per place. [2021-06-11 19:17:27,673 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 467 selfloop transitions, 293 changer transitions 0/774 dead transitions. [2021-06-11 19:17:27,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 846 places, 774 transitions, 47921 flow [2021-06-11 19:17:27,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:27,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:27,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:27,674 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:27,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:27,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:27,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:27,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:27,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:27,675 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:27,675 INFO L185 Difference]: Start difference. First operand has 839 places, 758 transitions, 45813 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:27,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 846 places, 774 transitions, 47921 flow [2021-06-11 19:17:29,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 774 transitions, 47366 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-06-11 19:17:29,905 INFO L241 Difference]: Finished difference. Result has 842 places, 770 transitions, 46526 flow [2021-06-11 19:17:29,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45274, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46526, PETRI_PLACES=842, PETRI_TRANSITIONS=770} [2021-06-11 19:17:29,905 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 804 predicate places. [2021-06-11 19:17:29,905 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:29,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 842 places, 770 transitions, 46526 flow [2021-06-11 19:17:29,906 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 842 places, 770 transitions, 46526 flow [2021-06-11 19:17:29,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 842 places, 770 transitions, 46526 flow [2021-06-11 19:17:30,872 INFO L129 PetriNetUnfolder]: 263/3499 cut-off events. [2021-06-11 19:17:30,872 INFO L130 PetriNetUnfolder]: For 255880/256083 co-relation queries the response was YES. [2021-06-11 19:17:30,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35272 conditions, 3499 events. 263/3499 cut-off events. For 255880/256083 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52396 event pairs, 0 based on Foata normal form. 1/3416 useless extension candidates. Maximal degree in co-relation 35069. Up to 526 conditions per place. [2021-06-11 19:17:30,969 INFO L151 LiptonReduction]: Number of co-enabled transitions 4484 [2021-06-11 19:17:31,067 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:31,067 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:31,067 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1162 [2021-06-11 19:17:31,068 INFO L480 AbstractCegarLoop]: Abstraction has has 842 places, 770 transitions, 46526 flow [2021-06-11 19:17:31,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:31,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:31,068 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:31,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-06-11 19:17:31,068 INFO L428 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:31,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:31,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1296373604, now seen corresponding path program 240 times [2021-06-11 19:17:31,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:31,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53677640] [2021-06-11 19:17:31,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:31,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:31,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:31,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:31,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:31,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:31,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:31,083 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:17:31,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:17:31,093 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:17:31,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:17:31,105 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:31,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:31,123 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:31,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:31,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53677640] [2021-06-11 19:17:31,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:31,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:31,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63718837] [2021-06-11 19:17:31,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:31,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:31,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:31,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:31,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:31,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 842 places, 770 transitions, 46526 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:31,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:31,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:31,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:32,904 INFO L129 PetriNetUnfolder]: 276/3523 cut-off events. [2021-06-11 19:17:32,904 INFO L130 PetriNetUnfolder]: For 258178/258303 co-relation queries the response was YES. [2021-06-11 19:17:32,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36895 conditions, 3523 events. 276/3523 cut-off events. For 258178/258303 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52366 event pairs, 13 based on Foata normal form. 13/3487 useless extension candidates. Maximal degree in co-relation 36691. Up to 681 conditions per place. [2021-06-11 19:17:32,964 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 292 changer transitions 0/774 dead transitions. [2021-06-11 19:17:32,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 774 transitions, 48102 flow [2021-06-11 19:17:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:32,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:32,965 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:32,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:32,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:32,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:32,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:32,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:32,966 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:32,966 INFO L185 Difference]: Start difference. First operand has 842 places, 770 transitions, 46526 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:32,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 774 transitions, 48102 flow [2021-06-11 19:17:35,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 847 places, 774 transitions, 47666 flow, removed 31 selfloop flow, removed 2 redundant places. [2021-06-11 19:17:35,370 INFO L241 Difference]: Finished difference. Result has 848 places, 770 transitions, 46677 flow [2021-06-11 19:17:35,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46090, PETRI_DIFFERENCE_MINUEND_PLACES=840, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46677, PETRI_PLACES=848, PETRI_TRANSITIONS=770} [2021-06-11 19:17:35,370 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 810 predicate places. [2021-06-11 19:17:35,370 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:35,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 848 places, 770 transitions, 46677 flow [2021-06-11 19:17:35,370 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 848 places, 770 transitions, 46677 flow [2021-06-11 19:17:35,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 770 transitions, 46677 flow [2021-06-11 19:17:36,346 INFO L129 PetriNetUnfolder]: 263/3498 cut-off events. [2021-06-11 19:17:36,346 INFO L130 PetriNetUnfolder]: For 257856/258059 co-relation queries the response was YES. [2021-06-11 19:17:36,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35771 conditions, 3498 events. 263/3498 cut-off events. For 257856/258059 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52502 event pairs, 0 based on Foata normal form. 1/3415 useless extension candidates. Maximal degree in co-relation 35567. Up to 526 conditions per place. [2021-06-11 19:17:36,621 INFO L151 LiptonReduction]: Number of co-enabled transitions 4484 [2021-06-11 19:17:36,711 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:36,711 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:36,712 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1342 [2021-06-11 19:17:36,712 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 770 transitions, 46677 flow [2021-06-11 19:17:36,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:36,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:36,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:36,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-06-11 19:17:36,712 INFO L428 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:36,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:36,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1001589950, now seen corresponding path program 241 times [2021-06-11 19:17:36,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:36,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15393548] [2021-06-11 19:17:36,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:36,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:36,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:36,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:36,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:36,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:36,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:36,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:17:36,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:17:36,737 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:17:36,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:17:36,751 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:36,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:36,781 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:36,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:36,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15393548] [2021-06-11 19:17:36,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:36,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:36,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586757822] [2021-06-11 19:17:36,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:36,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:36,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:36,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:36,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:36,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 770 transitions, 46677 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:36,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:36,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:36,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:38,715 INFO L129 PetriNetUnfolder]: 276/3522 cut-off events. [2021-06-11 19:17:38,715 INFO L130 PetriNetUnfolder]: For 260659/260782 co-relation queries the response was YES. [2021-06-11 19:17:38,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37392 conditions, 3522 events. 276/3522 cut-off events. For 260659/260782 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52316 event pairs, 13 based on Foata normal form. 12/3485 useless extension candidates. Maximal degree in co-relation 37187. Up to 681 conditions per place. [2021-06-11 19:17:38,782 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-06-11 19:17:38,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 855 places, 774 transitions, 48261 flow [2021-06-11 19:17:38,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:38,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:38,784 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:38,784 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:38,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:38,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:38,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:38,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:38,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:38,785 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:38,785 INFO L185 Difference]: Start difference. First operand has 848 places, 770 transitions, 46677 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:38,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 855 places, 774 transitions, 48261 flow [2021-06-11 19:17:41,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 852 places, 774 transitions, 47814 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-06-11 19:17:41,169 INFO L241 Difference]: Finished difference. Result has 853 places, 770 transitions, 46813 flow [2021-06-11 19:17:41,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46230, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46813, PETRI_PLACES=853, PETRI_TRANSITIONS=770} [2021-06-11 19:17:41,169 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 815 predicate places. [2021-06-11 19:17:41,170 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:41,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 853 places, 770 transitions, 46813 flow [2021-06-11 19:17:41,170 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 853 places, 770 transitions, 46813 flow [2021-06-11 19:17:41,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 853 places, 770 transitions, 46813 flow [2021-06-11 19:17:42,185 INFO L129 PetriNetUnfolder]: 263/3497 cut-off events. [2021-06-11 19:17:42,185 INFO L130 PetriNetUnfolder]: For 261505/261775 co-relation queries the response was YES. [2021-06-11 19:17:42,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36247 conditions, 3497 events. 263/3497 cut-off events. For 261505/261775 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52339 event pairs, 0 based on Foata normal form. 0/3407 useless extension candidates. Maximal degree in co-relation 36042. Up to 526 conditions per place. [2021-06-11 19:17:42,282 INFO L151 LiptonReduction]: Number of co-enabled transitions 4484 [2021-06-11 19:17:42,369 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:42,369 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:42,369 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1199 [2021-06-11 19:17:42,369 INFO L480 AbstractCegarLoop]: Abstraction has has 853 places, 770 transitions, 46813 flow [2021-06-11 19:17:42,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:42,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:42,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:42,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-06-11 19:17:42,369 INFO L428 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:42,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:42,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1059269852, now seen corresponding path program 242 times [2021-06-11 19:17:42,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:42,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77471678] [2021-06-11 19:17:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:42,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:42,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:42,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:42,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:42,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:42,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:42,385 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:17:42,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:17:42,395 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:17:42,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:17:42,408 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:42,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:42,426 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:42,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:42,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:42,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77471678] [2021-06-11 19:17:42,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:42,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:42,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335465839] [2021-06-11 19:17:42,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:42,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:42,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:42,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:42,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:42,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 853 places, 770 transitions, 46813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:42,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:42,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:42,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:44,285 INFO L129 PetriNetUnfolder]: 276/3521 cut-off events. [2021-06-11 19:17:44,285 INFO L130 PetriNetUnfolder]: For 264055/264178 co-relation queries the response was YES. [2021-06-11 19:17:44,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37866 conditions, 3521 events. 276/3521 cut-off events. For 264055/264178 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52302 event pairs, 13 based on Foata normal form. 12/3484 useless extension candidates. Maximal degree in co-relation 37660. Up to 681 conditions per place. [2021-06-11 19:17:44,346 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 471 selfloop transitions, 289 changer transitions 0/774 dead transitions. [2021-06-11 19:17:44,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 860 places, 774 transitions, 48405 flow [2021-06-11 19:17:44,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:44,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:44,347 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:44,347 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:44,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:44,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:44,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:44,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:44,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:44,348 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:44,348 INFO L185 Difference]: Start difference. First operand has 853 places, 770 transitions, 46813 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:44,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 860 places, 774 transitions, 48405 flow [2021-06-11 19:17:46,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 774 transitions, 47904 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-06-11 19:17:46,748 INFO L241 Difference]: Finished difference. Result has 858 places, 770 transitions, 46893 flow [2021-06-11 19:17:46,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46312, PETRI_DIFFERENCE_MINUEND_PLACES=850, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46893, PETRI_PLACES=858, PETRI_TRANSITIONS=770} [2021-06-11 19:17:46,749 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 820 predicate places. [2021-06-11 19:17:46,749 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:46,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 858 places, 770 transitions, 46893 flow [2021-06-11 19:17:46,749 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 858 places, 770 transitions, 46893 flow [2021-06-11 19:17:46,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 770 transitions, 46893 flow [2021-06-11 19:17:47,718 INFO L129 PetriNetUnfolder]: 263/3496 cut-off events. [2021-06-11 19:17:47,718 INFO L130 PetriNetUnfolder]: For 263906/264122 co-relation queries the response was YES. [2021-06-11 19:17:47,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36645 conditions, 3496 events. 263/3496 cut-off events. For 263906/264122 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52402 event pairs, 0 based on Foata normal form. 0/3407 useless extension candidates. Maximal degree in co-relation 36439. Up to 526 conditions per place. [2021-06-11 19:17:47,813 INFO L151 LiptonReduction]: Number of co-enabled transitions 4484 [2021-06-11 19:17:47,907 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:47,908 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:47,908 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1159 [2021-06-11 19:17:47,908 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 770 transitions, 46893 flow [2021-06-11 19:17:47,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:47,908 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:47,908 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:47,908 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-06-11 19:17:47,908 INFO L428 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:47,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:47,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1089526684, now seen corresponding path program 243 times [2021-06-11 19:17:47,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:47,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139139180] [2021-06-11 19:17:47,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:47,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:47,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:47,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:47,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:47,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:47,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:47,924 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:17:47,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:17:47,934 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:17:47,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:17:47,947 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:47,971 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:47,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:47,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139139180] [2021-06-11 19:17:47,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:47,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:47,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769594597] [2021-06-11 19:17:47,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:47,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:47,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:47,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:47,989 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:47,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 770 transitions, 46893 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:47,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:47,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:47,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:49,858 INFO L129 PetriNetUnfolder]: 276/3520 cut-off events. [2021-06-11 19:17:49,858 INFO L130 PetriNetUnfolder]: For 267182/267309 co-relation queries the response was YES. [2021-06-11 19:17:49,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38262 conditions, 3520 events. 276/3520 cut-off events. For 267182/267309 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52336 event pairs, 13 based on Foata normal form. 13/3484 useless extension candidates. Maximal degree in co-relation 38055. Up to 681 conditions per place. [2021-06-11 19:17:49,924 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-06-11 19:17:49,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 774 transitions, 48493 flow [2021-06-11 19:17:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:49,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:49,925 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:49,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:49,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:49,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:49,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:49,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:49,926 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:49,926 INFO L185 Difference]: Start difference. First operand has 858 places, 770 transitions, 46893 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:49,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 774 transitions, 48493 flow [2021-06-11 19:17:52,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 774 transitions, 47665 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-06-11 19:17:52,411 INFO L241 Difference]: Finished difference. Result has 861 places, 770 transitions, 46648 flow [2021-06-11 19:17:52,411 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46065, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46648, PETRI_PLACES=861, PETRI_TRANSITIONS=770} [2021-06-11 19:17:52,411 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-06-11 19:17:52,411 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:52,411 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 770 transitions, 46648 flow [2021-06-11 19:17:52,411 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 770 transitions, 46648 flow [2021-06-11 19:17:52,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 770 transitions, 46648 flow [2021-06-11 19:17:53,398 INFO L129 PetriNetUnfolder]: 263/3495 cut-off events. [2021-06-11 19:17:53,398 INFO L130 PetriNetUnfolder]: For 263875/264071 co-relation queries the response was YES. [2021-06-11 19:17:53,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36764 conditions, 3495 events. 263/3495 cut-off events. For 263875/264071 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52434 event pairs, 0 based on Foata normal form. 0/3410 useless extension candidates. Maximal degree in co-relation 36557. Up to 526 conditions per place. [2021-06-11 19:17:53,490 INFO L151 LiptonReduction]: Number of co-enabled transitions 4484 [2021-06-11 19:17:53,580 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:53,580 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:53,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1169 [2021-06-11 19:17:53,581 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 770 transitions, 46648 flow [2021-06-11 19:17:53,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:53,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:53,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:53,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-06-11 19:17:53,581 INFO L428 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:53,581 INFO L82 PathProgramCache]: Analyzing trace with hash 308638032, now seen corresponding path program 244 times [2021-06-11 19:17:53,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:53,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016050147] [2021-06-11 19:17:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:53,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:53,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:53,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:53,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:53,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:53,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:53,596 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:17:53,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:17:53,613 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:17:53,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:17:53,627 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:53,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:53,644 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:53,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:53,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016050147] [2021-06-11 19:17:53,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:53,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:53,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071090267] [2021-06-11 19:17:53,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:53,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:53,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:53,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:53,662 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:53,662 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 861 places, 770 transitions, 46648 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:53,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:53,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:53,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:17:55,556 INFO L129 PetriNetUnfolder]: 276/3519 cut-off events. [2021-06-11 19:17:55,556 INFO L130 PetriNetUnfolder]: For 267688/267807 co-relation queries the response was YES. [2021-06-11 19:17:55,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38379 conditions, 3519 events. 276/3519 cut-off events. For 267688/267807 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52300 event pairs, 13 based on Foata normal form. 13/3483 useless extension candidates. Maximal degree in co-relation 38171. Up to 681 conditions per place. [2021-06-11 19:17:55,618 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 282 changer transitions 0/774 dead transitions. [2021-06-11 19:17:55,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 774 transitions, 48256 flow [2021-06-11 19:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:17:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:17:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:17:55,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:17:55,619 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:17:55,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:17:55,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:17:55,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:17:55,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:55,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:55,620 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:55,620 INFO L185 Difference]: Start difference. First operand has 861 places, 770 transitions, 46648 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:17:55,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 774 transitions, 48256 flow [2021-06-11 19:17:57,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 865 places, 774 transitions, 47759 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-06-11 19:17:57,940 INFO L241 Difference]: Finished difference. Result has 866 places, 770 transitions, 46718 flow [2021-06-11 19:17:57,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46151, PETRI_DIFFERENCE_MINUEND_PLACES=858, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46718, PETRI_PLACES=866, PETRI_TRANSITIONS=770} [2021-06-11 19:17:57,940 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 828 predicate places. [2021-06-11 19:17:57,940 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:17:57,941 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 770 transitions, 46718 flow [2021-06-11 19:17:57,941 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 770 transitions, 46718 flow [2021-06-11 19:17:57,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 770 transitions, 46718 flow [2021-06-11 19:17:58,929 INFO L129 PetriNetUnfolder]: 263/3494 cut-off events. [2021-06-11 19:17:58,929 INFO L130 PetriNetUnfolder]: For 267335/267515 co-relation queries the response was YES. [2021-06-11 19:17:58,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37150 conditions, 3494 events. 263/3494 cut-off events. For 267335/267515 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52379 event pairs, 0 based on Foata normal form. 0/3411 useless extension candidates. Maximal degree in co-relation 36942. Up to 526 conditions per place. [2021-06-11 19:17:59,026 INFO L151 LiptonReduction]: Number of co-enabled transitions 4484 [2021-06-11 19:17:59,121 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:17:59,121 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:17:59,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1181 [2021-06-11 19:17:59,122 INFO L480 AbstractCegarLoop]: Abstraction has has 866 places, 770 transitions, 46718 flow [2021-06-11 19:17:59,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:59,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:17:59,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:17:59,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-06-11 19:17:59,122 INFO L428 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:17:59,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:17:59,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1872992792, now seen corresponding path program 245 times [2021-06-11 19:17:59,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:17:59,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536781870] [2021-06-11 19:17:59,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:17:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:17:59,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:59,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:17:59,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:59,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:17:59,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:17:59,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:17:59,138 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-06-11 19:17:59,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 19:17:59,155 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:17:59,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:17:59,169 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:17:59,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:17:59,187 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:17:59,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:17:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:17:59,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536781870] [2021-06-11 19:17:59,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:17:59,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:17:59,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239265998] [2021-06-11 19:17:59,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:17:59,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:17:59,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:17:59,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:17:59,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:17:59,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 866 places, 770 transitions, 46718 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:17:59,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:17:59,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:17:59,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:01,001 INFO L129 PetriNetUnfolder]: 276/3518 cut-off events. [2021-06-11 19:18:01,002 INFO L130 PetriNetUnfolder]: For 271333/271451 co-relation queries the response was YES. [2021-06-11 19:18:01,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38763 conditions, 3518 events. 276/3518 cut-off events. For 271333/271451 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52283 event pairs, 13 based on Foata normal form. 12/3481 useless extension candidates. Maximal degree in co-relation 38554. Up to 681 conditions per place. [2021-06-11 19:18:01,063 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 477 selfloop transitions, 277 changer transitions 6/774 dead transitions. [2021-06-11 19:18:01,063 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 873 places, 774 transitions, 48334 flow [2021-06-11 19:18:01,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:18:01,064 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:18:01,064 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:18:01,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:18:01,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:01,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:18:01,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:01,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:01,065 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:01,065 INFO L185 Difference]: Start difference. First operand has 866 places, 770 transitions, 46718 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:18:01,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 873 places, 774 transitions, 48334 flow [2021-06-11 19:18:03,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 774 transitions, 47820 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-06-11 19:18:03,459 INFO L241 Difference]: Finished difference. Result has 870 places, 764 transitions, 46326 flow [2021-06-11 19:18:03,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46204, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=277, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46326, PETRI_PLACES=870, PETRI_TRANSITIONS=764} [2021-06-11 19:18:03,459 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-06-11 19:18:03,459 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:03,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 764 transitions, 46326 flow [2021-06-11 19:18:03,459 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 764 transitions, 46326 flow [2021-06-11 19:18:03,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 868 places, 764 transitions, 46326 flow [2021-06-11 19:18:04,488 INFO L129 PetriNetUnfolder]: 262/3477 cut-off events. [2021-06-11 19:18:04,488 INFO L130 PetriNetUnfolder]: For 268326/268443 co-relation queries the response was YES. [2021-06-11 19:18:04,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37266 conditions, 3477 events. 262/3477 cut-off events. For 268326/268443 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 52018 event pairs, 0 based on Foata normal form. 1/3428 useless extension candidates. Maximal degree in co-relation 37057. Up to 524 conditions per place. [2021-06-11 19:18:04,576 INFO L151 LiptonReduction]: Number of co-enabled transitions 4438 [2021-06-11 19:18:04,653 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:04,653 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:04,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1195 [2021-06-11 19:18:04,654 INFO L480 AbstractCegarLoop]: Abstraction has has 868 places, 764 transitions, 46326 flow [2021-06-11 19:18:04,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:04,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:04,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:04,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-06-11 19:18:04,654 INFO L428 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:04,654 INFO L82 PathProgramCache]: Analyzing trace with hash -585214522, now seen corresponding path program 246 times [2021-06-11 19:18:04,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:04,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276764088] [2021-06-11 19:18:04,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:04,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:04,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:04,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:04,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:04,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:04,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:18:04,670 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:18:04,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:18:04,680 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:18:04,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:18:04,693 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:04,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:04,711 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:04,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:04,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276764088] [2021-06-11 19:18:04,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:04,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:04,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233973415] [2021-06-11 19:18:04,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:04,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:04,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:04,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:04,729 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:04,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 764 transitions, 46326 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:04,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:04,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:04,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:06,550 INFO L129 PetriNetUnfolder]: 275/3501 cut-off events. [2021-06-11 19:18:06,550 INFO L130 PetriNetUnfolder]: For 273177/273294 co-relation queries the response was YES. [2021-06-11 19:18:06,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38871 conditions, 3501 events. 275/3501 cut-off events. For 273177/273294 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 51974 event pairs, 13 based on Foata normal form. 12/3465 useless extension candidates. Maximal degree in co-relation 38661. Up to 681 conditions per place. [2021-06-11 19:18:06,612 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 279 changer transitions 15/768 dead transitions. [2021-06-11 19:18:06,612 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 875 places, 768 transitions, 47938 flow [2021-06-11 19:18:06,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:18:06,613 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:18:06,613 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:18:06,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:18:06,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:06,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:18:06,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:06,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:06,614 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:06,614 INFO L185 Difference]: Start difference. First operand has 868 places, 764 transitions, 46326 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:18:06,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 875 places, 768 transitions, 47938 flow [2021-06-11 19:18:08,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 768 transitions, 47380 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-06-11 19:18:09,003 INFO L241 Difference]: Finished difference. Result has 870 places, 749 transitions, 45082 flow [2021-06-11 19:18:09,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45784, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45082, PETRI_PLACES=870, PETRI_TRANSITIONS=749} [2021-06-11 19:18:09,004 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-06-11 19:18:09,004 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:09,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 749 transitions, 45082 flow [2021-06-11 19:18:09,004 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 749 transitions, 45082 flow [2021-06-11 19:18:09,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 862 places, 749 transitions, 45082 flow [2021-06-11 19:18:09,974 INFO L129 PetriNetUnfolder]: 261/3434 cut-off events. [2021-06-11 19:18:09,974 INFO L130 PetriNetUnfolder]: For 257851/257968 co-relation queries the response was YES. [2021-06-11 19:18:10,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36184 conditions, 3434 events. 261/3434 cut-off events. For 257851/257968 co-relation queries the response was YES. Maximal size of possible extension queue 621. Compared 51156 event pairs, 0 based on Foata normal form. 1/3386 useless extension candidates. Maximal degree in co-relation 35976. Up to 522 conditions per place. [2021-06-11 19:18:10,069 INFO L151 LiptonReduction]: Number of co-enabled transitions 4308 [2021-06-11 19:18:10,147 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:10,148 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:10,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1144 [2021-06-11 19:18:10,148 INFO L480 AbstractCegarLoop]: Abstraction has has 862 places, 749 transitions, 45082 flow [2021-06-11 19:18:10,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:10,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:10,148 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:10,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-06-11 19:18:10,148 INFO L428 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:10,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:10,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1539229100, now seen corresponding path program 247 times [2021-06-11 19:18:10,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:10,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17293504] [2021-06-11 19:18:10,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:10,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:10,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:10,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:10,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:10,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:10,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:18:10,166 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:18:10,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:18:10,175 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:18:10,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:18:10,199 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:10,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:10,218 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:10,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:10,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17293504] [2021-06-11 19:18:10,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:10,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:10,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270723658] [2021-06-11 19:18:10,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:10,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:10,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:10,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:10,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:10,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 862 places, 749 transitions, 45082 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:10,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:10,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:10,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:12,042 INFO L129 PetriNetUnfolder]: 274/3458 cut-off events. [2021-06-11 19:18:12,042 INFO L130 PetriNetUnfolder]: For 262265/262384 co-relation queries the response was YES. [2021-06-11 19:18:12,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37773 conditions, 3458 events. 274/3458 cut-off events. For 262265/262384 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 51164 event pairs, 13 based on Foata normal form. 13/3424 useless extension candidates. Maximal degree in co-relation 37564. Up to 681 conditions per place. [2021-06-11 19:18:12,101 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 261 changer transitions 3/753 dead transitions. [2021-06-11 19:18:12,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 753 transitions, 46656 flow [2021-06-11 19:18:12,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:18:12,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:18:12,102 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:18:12,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:18:12,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:12,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:18:12,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:12,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:12,103 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:12,103 INFO L185 Difference]: Start difference. First operand has 862 places, 749 transitions, 45082 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:18:12,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 869 places, 753 transitions, 46656 flow [2021-06-11 19:18:14,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 753 transitions, 45983 flow, removed 36 selfloop flow, removed 11 redundant places. [2021-06-11 19:18:14,520 INFO L241 Difference]: Finished difference. Result has 859 places, 746 transitions, 44781 flow [2021-06-11 19:18:14,520 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44457, PETRI_DIFFERENCE_MINUEND_PLACES=851, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44781, PETRI_PLACES=859, PETRI_TRANSITIONS=746} [2021-06-11 19:18:14,520 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 821 predicate places. [2021-06-11 19:18:14,520 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:14,520 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 746 transitions, 44781 flow [2021-06-11 19:18:14,520 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 746 transitions, 44781 flow [2021-06-11 19:18:14,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 857 places, 746 transitions, 44781 flow [2021-06-11 19:18:15,459 INFO L129 PetriNetUnfolder]: 260/3423 cut-off events. [2021-06-11 19:18:15,459 INFO L130 PetriNetUnfolder]: For 243351/243468 co-relation queries the response was YES. [2021-06-11 19:18:15,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34313 conditions, 3423 events. 260/3423 cut-off events. For 243351/243468 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 50910 event pairs, 0 based on Foata normal form. 1/3375 useless extension candidates. Maximal degree in co-relation 34110. Up to 520 conditions per place. [2021-06-11 19:18:15,553 INFO L151 LiptonReduction]: Number of co-enabled transitions 4294 [2021-06-11 19:18:15,642 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:15,642 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:15,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1122 [2021-06-11 19:18:15,642 INFO L480 AbstractCegarLoop]: Abstraction has has 857 places, 746 transitions, 44781 flow [2021-06-11 19:18:15,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:15,642 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:15,642 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:15,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-06-11 19:18:15,643 INFO L428 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:15,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:15,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1671933284, now seen corresponding path program 248 times [2021-06-11 19:18:15,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:15,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451177563] [2021-06-11 19:18:15,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:15,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:15,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:15,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:15,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:15,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:18:15,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:18:15,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:18:15,672 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:18:15,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:18:15,685 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:15,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:15,703 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:15,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:15,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451177563] [2021-06-11 19:18:15,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:15,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:15,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376754879] [2021-06-11 19:18:15,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:15,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:15,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:15,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:15,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:15,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 857 places, 746 transitions, 44781 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:15,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:15,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:15,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:17,532 INFO L129 PetriNetUnfolder]: 273/3447 cut-off events. [2021-06-11 19:18:17,532 INFO L130 PetriNetUnfolder]: For 246015/246137 co-relation queries the response was YES. [2021-06-11 19:18:17,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35903 conditions, 3447 events. 273/3447 cut-off events. For 246015/246137 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 50939 event pairs, 13 based on Foata normal form. 13/3413 useless extension candidates. Maximal degree in co-relation 35699. Up to 681 conditions per place. [2021-06-11 19:18:17,594 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 259 changer transitions 3/750 dead transitions. [2021-06-11 19:18:17,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 864 places, 750 transitions, 46309 flow [2021-06-11 19:18:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:18:17,595 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:18:17,595 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:18:17,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:18:17,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:17,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:18:17,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:17,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:17,596 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:17,596 INFO L185 Difference]: Start difference. First operand has 857 places, 746 transitions, 44781 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:18:17,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 864 places, 750 transitions, 46309 flow [2021-06-11 19:18:19,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 859 places, 750 transitions, 45784 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:18:19,836 INFO L241 Difference]: Finished difference. Result has 860 places, 743 transitions, 44586 flow [2021-06-11 19:18:19,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44264, PETRI_DIFFERENCE_MINUEND_PLACES=852, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44586, PETRI_PLACES=860, PETRI_TRANSITIONS=743} [2021-06-11 19:18:19,836 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 822 predicate places. [2021-06-11 19:18:19,836 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:19,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 743 transitions, 44586 flow [2021-06-11 19:18:19,836 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 743 transitions, 44586 flow [2021-06-11 19:18:19,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 743 transitions, 44586 flow [2021-06-11 19:18:20,752 INFO L129 PetriNetUnfolder]: 259/3412 cut-off events. [2021-06-11 19:18:20,752 INFO L130 PetriNetUnfolder]: For 242336/242454 co-relation queries the response was YES. [2021-06-11 19:18:20,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34191 conditions, 3412 events. 259/3412 cut-off events. For 242336/242454 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 50762 event pairs, 0 based on Foata normal form. 1/3364 useless extension candidates. Maximal degree in co-relation 33988. Up to 518 conditions per place. [2021-06-11 19:18:20,845 INFO L151 LiptonReduction]: Number of co-enabled transitions 4282 [2021-06-11 19:18:20,924 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:20,924 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:20,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1089 [2021-06-11 19:18:20,925 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 743 transitions, 44586 flow [2021-06-11 19:18:20,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:20,925 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:20,925 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:20,925 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-06-11 19:18:20,925 INFO L428 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:20,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:20,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1022596158, now seen corresponding path program 249 times [2021-06-11 19:18:20,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:20,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379868020] [2021-06-11 19:18:20,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:20,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:20,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:20,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:20,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:20,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:20,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:18:20,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:20,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:18:20,950 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:18:20,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:18:20,964 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:20,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:20,981 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:20,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:20,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379868020] [2021-06-11 19:18:20,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:20,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:20,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354944975] [2021-06-11 19:18:20,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:20,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:20,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:20,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:20,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:20,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 743 transitions, 44586 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:20,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:20,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:20,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:22,789 INFO L129 PetriNetUnfolder]: 272/3436 cut-off events. [2021-06-11 19:18:22,789 INFO L130 PetriNetUnfolder]: For 245140/245257 co-relation queries the response was YES. [2021-06-11 19:18:22,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35777 conditions, 3436 events. 272/3436 cut-off events. For 245140/245257 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 50754 event pairs, 13 based on Foata normal form. 12/3401 useless extension candidates. Maximal degree in co-relation 35573. Up to 681 conditions per place. [2021-06-11 19:18:22,848 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 268 changer transitions 3/747 dead transitions. [2021-06-11 19:18:22,848 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 747 transitions, 46108 flow [2021-06-11 19:18:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:22,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:18:22,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:18:22,849 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:18:22,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:18:22,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:22,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:18:22,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:22,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:22,850 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:22,850 INFO L185 Difference]: Start difference. First operand has 858 places, 743 transitions, 44586 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:18:22,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 747 transitions, 46108 flow [2021-06-11 19:18:24,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 747 transitions, 45585 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-06-11 19:18:24,961 INFO L241 Difference]: Finished difference. Result has 861 places, 740 transitions, 44411 flow [2021-06-11 19:18:24,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44071, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=743, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44411, PETRI_PLACES=861, PETRI_TRANSITIONS=740} [2021-06-11 19:18:24,962 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-06-11 19:18:24,962 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:24,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 740 transitions, 44411 flow [2021-06-11 19:18:24,962 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 740 transitions, 44411 flow [2021-06-11 19:18:24,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 740 transitions, 44411 flow [2021-06-11 19:18:25,895 INFO L129 PetriNetUnfolder]: 258/3401 cut-off events. [2021-06-11 19:18:25,895 INFO L130 PetriNetUnfolder]: For 241627/241744 co-relation queries the response was YES. [2021-06-11 19:18:25,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34074 conditions, 3401 events. 258/3401 cut-off events. For 241627/241744 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 50586 event pairs, 0 based on Foata normal form. 1/3351 useless extension candidates. Maximal degree in co-relation 33871. Up to 516 conditions per place. [2021-06-11 19:18:25,997 INFO L151 LiptonReduction]: Number of co-enabled transitions 4270 [2021-06-11 19:18:26,082 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:26,082 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:26,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1120 [2021-06-11 19:18:26,082 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 740 transitions, 44411 flow [2021-06-11 19:18:26,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:26,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:26,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:26,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-06-11 19:18:26,083 INFO L428 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:26,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:26,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1695029408, now seen corresponding path program 250 times [2021-06-11 19:18:26,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:26,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84048697] [2021-06-11 19:18:26,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:26,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:26,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:26,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:26,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:26,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:26,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:18:26,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:26,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:18:26,109 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:18:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:18:26,134 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:18:26,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:18:26,152 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:26,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:26,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84048697] [2021-06-11 19:18:26,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:26,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:26,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468595711] [2021-06-11 19:18:26,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:26,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:26,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:26,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:26,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:26,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 740 transitions, 44411 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:26,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:26,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:26,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:27,920 INFO L129 PetriNetUnfolder]: 271/3425 cut-off events. [2021-06-11 19:18:27,920 INFO L130 PetriNetUnfolder]: For 244315/244432 co-relation queries the response was YES. [2021-06-11 19:18:27,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35656 conditions, 3425 events. 271/3425 cut-off events. For 244315/244432 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 50519 event pairs, 13 based on Foata normal form. 12/3390 useless extension candidates. Maximal degree in co-relation 35452. Up to 681 conditions per place. [2021-06-11 19:18:27,986 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 266 changer transitions 2/744 dead transitions. [2021-06-11 19:18:27,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 866 places, 744 transitions, 45927 flow [2021-06-11 19:18:27,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:18:27,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:18:27,987 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:18:27,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:18:27,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:27,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:18:27,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:27,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:27,988 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:27,988 INFO L185 Difference]: Start difference. First operand has 859 places, 740 transitions, 44411 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:18:27,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 866 places, 744 transitions, 45927 flow [2021-06-11 19:18:30,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 744 transitions, 45392 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:18:30,147 INFO L241 Difference]: Finished difference. Result has 862 places, 738 transitions, 44263 flow [2021-06-11 19:18:30,147 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43884, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=740, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=474, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44263, PETRI_PLACES=862, PETRI_TRANSITIONS=738} [2021-06-11 19:18:30,147 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 824 predicate places. [2021-06-11 19:18:30,147 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:30,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 862 places, 738 transitions, 44263 flow [2021-06-11 19:18:30,147 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 862 places, 738 transitions, 44263 flow [2021-06-11 19:18:30,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 738 transitions, 44263 flow [2021-06-11 19:18:31,081 INFO L129 PetriNetUnfolder]: 257/3391 cut-off events. [2021-06-11 19:18:31,081 INFO L130 PetriNetUnfolder]: For 241117/241255 co-relation queries the response was YES. [2021-06-11 19:18:31,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33979 conditions, 3391 events. 257/3391 cut-off events. For 241117/241255 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 50411 event pairs, 0 based on Foata normal form. 1/3342 useless extension candidates. Maximal degree in co-relation 33776. Up to 514 conditions per place. [2021-06-11 19:18:31,173 INFO L151 LiptonReduction]: Number of co-enabled transitions 4266 [2021-06-11 19:18:31,261 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:31,261 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:31,261 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1114 [2021-06-11 19:18:31,261 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 738 transitions, 44263 flow [2021-06-11 19:18:31,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:31,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:31,261 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:31,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-06-11 19:18:31,261 INFO L428 AbstractCegarLoop]: === Iteration 255 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:31,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:31,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1855235390, now seen corresponding path program 251 times [2021-06-11 19:18:31,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:31,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337873678] [2021-06-11 19:18:31,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:31,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:31,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:31,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:18:31,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:31,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 19:18:31,287 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:18:31,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:18:31,308 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:31,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:31,327 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:31,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:31,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337873678] [2021-06-11 19:18:31,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:31,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:31,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383779583] [2021-06-11 19:18:31,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:31,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:31,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:31,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:31,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:31,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 861 places, 738 transitions, 44263 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:31,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:31,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:31,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:33,028 INFO L129 PetriNetUnfolder]: 270/3415 cut-off events. [2021-06-11 19:18:33,028 INFO L130 PetriNetUnfolder]: For 243639/243759 co-relation queries the response was YES. [2021-06-11 19:18:33,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35558 conditions, 3415 events. 270/3415 cut-off events. For 243639/243759 co-relation queries the response was YES. Maximal size of possible extension queue 610. Compared 50394 event pairs, 13 based on Foata normal form. 13/3381 useless extension candidates. Maximal degree in co-relation 35354. Up to 681 conditions per place. [2021-06-11 19:18:33,085 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 263 changer transitions 5/742 dead transitions. [2021-06-11 19:18:33,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 742 transitions, 45775 flow [2021-06-11 19:18:33,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-06-11 19:18:33,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-06-11 19:18:33,086 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-06-11 19:18:33,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-06-11 19:18:33,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:33,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-06-11 19:18:33,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:33,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:33,087 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:33,087 INFO L185 Difference]: Start difference. First operand has 861 places, 738 transitions, 44263 flow. Second operand 8 states and 466 transitions. [2021-06-11 19:18:33,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 742 transitions, 45775 flow [2021-06-11 19:18:35,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 742 transitions, 45344 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-06-11 19:18:35,320 INFO L241 Difference]: Finished difference. Result has 865 places, 733 transitions, 44080 flow [2021-06-11 19:18:35,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43840, PETRI_DIFFERENCE_MINUEND_PLACES=857, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=738, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44080, PETRI_PLACES=865, PETRI_TRANSITIONS=733} [2021-06-11 19:18:35,320 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 827 predicate places. [2021-06-11 19:18:35,320 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:35,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 865 places, 733 transitions, 44080 flow [2021-06-11 19:18:35,320 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 865 places, 733 transitions, 44080 flow [2021-06-11 19:18:35,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 863 places, 733 transitions, 44080 flow [2021-06-11 19:18:36,235 INFO L129 PetriNetUnfolder]: 256/3369 cut-off events. [2021-06-11 19:18:36,236 INFO L130 PetriNetUnfolder]: For 237305/237405 co-relation queries the response was YES. [2021-06-11 19:18:36,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33759 conditions, 3369 events. 256/3369 cut-off events. For 237305/237405 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 50032 event pairs, 0 based on Foata normal form. 0/3322 useless extension candidates. Maximal degree in co-relation 33557. Up to 512 conditions per place. [2021-06-11 19:18:36,412 INFO L151 LiptonReduction]: Number of co-enabled transitions 4234 [2021-06-11 19:18:36,485 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:36,486 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:36,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1166 [2021-06-11 19:18:36,486 INFO L480 AbstractCegarLoop]: Abstraction has has 863 places, 733 transitions, 44080 flow [2021-06-11 19:18:36,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:36,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:36,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:36,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-06-11 19:18:36,486 INFO L428 AbstractCegarLoop]: === Iteration 256 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:36,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:36,487 INFO L82 PathProgramCache]: Analyzing trace with hash 199178106, now seen corresponding path program 252 times [2021-06-11 19:18:36,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:36,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612904566] [2021-06-11 19:18:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:36,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:36,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:36,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:36,496 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:18:36,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:18:36,508 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:18:36,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:18:36,524 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:36,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:36,544 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:18:36,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:18:36,562 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:36,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:36,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612904566] [2021-06-11 19:18:36,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:36,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:36,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285594467] [2021-06-11 19:18:36,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:36,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:36,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:36,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:36,581 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:36,581 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 863 places, 733 transitions, 44080 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:36,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:36,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:36,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:38,439 INFO L129 PetriNetUnfolder]: 290/3649 cut-off events. [2021-06-11 19:18:38,440 INFO L130 PetriNetUnfolder]: For 254201/254243 co-relation queries the response was YES. [2021-06-11 19:18:38,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37473 conditions, 3649 events. 290/3649 cut-off events. For 254201/254243 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54594 event pairs, 2 based on Foata normal form. 3/3607 useless extension candidates. Maximal degree in co-relation 37270. Up to 678 conditions per place. [2021-06-11 19:18:38,504 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 546 selfloop transitions, 297 changer transitions 2/859 dead transitions. [2021-06-11 19:18:38,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 870 places, 859 transitions, 52056 flow [2021-06-11 19:18:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:18:38,505 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:18:38,505 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:18:38,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:18:38,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:38,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:18:38,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:38,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:38,506 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:38,506 INFO L185 Difference]: Start difference. First operand has 863 places, 733 transitions, 44080 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:18:38,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 870 places, 859 transitions, 52056 flow [2021-06-11 19:18:40,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 865 places, 859 transitions, 51435 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-06-11 19:18:40,879 INFO L241 Difference]: Finished difference. Result has 871 places, 771 transitions, 46667 flow [2021-06-11 19:18:40,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43559, PETRI_DIFFERENCE_MINUEND_PLACES=858, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46667, PETRI_PLACES=871, PETRI_TRANSITIONS=771} [2021-06-11 19:18:40,880 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 833 predicate places. [2021-06-11 19:18:40,880 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:40,880 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 871 places, 771 transitions, 46667 flow [2021-06-11 19:18:40,880 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 871 places, 771 transitions, 46667 flow [2021-06-11 19:18:40,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 870 places, 771 transitions, 46667 flow [2021-06-11 19:18:41,936 INFO L129 PetriNetUnfolder]: 277/3616 cut-off events. [2021-06-11 19:18:41,936 INFO L130 PetriNetUnfolder]: For 261732/261935 co-relation queries the response was YES. [2021-06-11 19:18:41,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36064 conditions, 3616 events. 277/3616 cut-off events. For 261732/261935 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54501 event pairs, 0 based on Foata normal form. 1/3533 useless extension candidates. Maximal degree in co-relation 35857. Up to 554 conditions per place. [2021-06-11 19:18:42,039 INFO L151 LiptonReduction]: Number of co-enabled transitions 4446 [2021-06-11 19:18:42,123 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:42,123 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:42,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1244 [2021-06-11 19:18:42,124 INFO L480 AbstractCegarLoop]: Abstraction has has 870 places, 771 transitions, 46667 flow [2021-06-11 19:18:42,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:42,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:42,124 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:42,124 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-06-11 19:18:42,124 INFO L428 AbstractCegarLoop]: === Iteration 257 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:42,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:42,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1362439686, now seen corresponding path program 253 times [2021-06-11 19:18:42,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:42,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033549954] [2021-06-11 19:18:42,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:42,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:42,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:42,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:42,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:42,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:42,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 19:18:42,140 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:18:42,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:18:42,149 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:18:42,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:18:42,163 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:42,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:42,181 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:42,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:42,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033549954] [2021-06-11 19:18:42,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:42,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:42,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498452505] [2021-06-11 19:18:42,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:42,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:42,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:42,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:42,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:42,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 870 places, 771 transitions, 46667 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:42,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:42,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:42,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:44,147 INFO L129 PetriNetUnfolder]: 290/3661 cut-off events. [2021-06-11 19:18:44,147 INFO L130 PetriNetUnfolder]: For 264891/264997 co-relation queries the response was YES. [2021-06-11 19:18:44,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37851 conditions, 3661 events. 290/3661 cut-off events. For 264891/264997 co-relation queries the response was YES. Maximal size of possible extension queue 656. Compared 54772 event pairs, 4 based on Foata normal form. 3/3615 useless extension candidates. Maximal degree in co-relation 37643. Up to 669 conditions per place. [2021-06-11 19:18:44,211 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 509 selfloop transitions, 306 changer transitions 2/831 dead transitions. [2021-06-11 19:18:44,211 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 831 transitions, 51108 flow [2021-06-11 19:18:44,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:18:44,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:18:44,212 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:18:44,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:18:44,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:44,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:18:44,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:44,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:44,213 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:44,213 INFO L185 Difference]: Start difference. First operand has 870 places, 771 transitions, 46667 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:18:44,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 877 places, 831 transitions, 51108 flow [2021-06-11 19:18:46,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 873 places, 831 transitions, 50852 flow, removed 45 selfloop flow, removed 4 redundant places. [2021-06-11 19:18:46,723 INFO L241 Difference]: Finished difference. Result has 878 places, 793 transitions, 48548 flow [2021-06-11 19:18:46,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46436, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=771, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=284, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=48548, PETRI_PLACES=878, PETRI_TRANSITIONS=793} [2021-06-11 19:18:46,724 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 840 predicate places. [2021-06-11 19:18:46,724 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:46,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 878 places, 793 transitions, 48548 flow [2021-06-11 19:18:46,724 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 878 places, 793 transitions, 48548 flow [2021-06-11 19:18:46,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 877 places, 793 transitions, 48548 flow [2021-06-11 19:18:47,755 INFO L129 PetriNetUnfolder]: 278/3629 cut-off events. [2021-06-11 19:18:47,755 INFO L130 PetriNetUnfolder]: For 270881/271089 co-relation queries the response was YES. [2021-06-11 19:18:47,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36595 conditions, 3629 events. 278/3629 cut-off events. For 270881/271089 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54605 event pairs, 0 based on Foata normal form. 1/3543 useless extension candidates. Maximal degree in co-relation 36385. Up to 556 conditions per place. [2021-06-11 19:18:47,860 INFO L151 LiptonReduction]: Number of co-enabled transitions 4574 [2021-06-11 19:18:47,962 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:47,962 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:47,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1238 [2021-06-11 19:18:47,963 INFO L480 AbstractCegarLoop]: Abstraction has has 877 places, 793 transitions, 48548 flow [2021-06-11 19:18:47,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:47,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:47,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:47,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-06-11 19:18:47,963 INFO L428 AbstractCegarLoop]: === Iteration 258 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:47,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:47,963 INFO L82 PathProgramCache]: Analyzing trace with hash 484220564, now seen corresponding path program 254 times [2021-06-11 19:18:47,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:47,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032979419] [2021-06-11 19:18:47,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:47,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:47,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:47,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:47,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:47,973 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:18:47,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:18:47,985 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:18:47,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:18:48,001 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-06-11 19:18:48,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 19:18:48,014 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:48,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:48,032 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:48,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:48,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032979419] [2021-06-11 19:18:48,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:48,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:48,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068054218] [2021-06-11 19:18:48,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:48,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:48,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:48,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:48,051 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:48,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 877 places, 793 transitions, 48548 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:48,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:48,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:48,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:50,164 INFO L129 PetriNetUnfolder]: 295/3739 cut-off events. [2021-06-11 19:18:50,164 INFO L130 PetriNetUnfolder]: For 278701/278877 co-relation queries the response was YES. [2021-06-11 19:18:50,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38882 conditions, 3739 events. 295/3739 cut-off events. For 278701/278877 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 56205 event pairs, 4 based on Foata normal form. 17/3703 useless extension candidates. Maximal degree in co-relation 38671. Up to 640 conditions per place. [2021-06-11 19:18:50,223 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 561 selfloop transitions, 312 changer transitions 2/889 dead transitions. [2021-06-11 19:18:50,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 889 transitions, 55134 flow [2021-06-11 19:18:50,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:18:50,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:18:50,224 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:18:50,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:18:50,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:50,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:18:50,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:50,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:50,225 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:50,225 INFO L185 Difference]: Start difference. First operand has 877 places, 793 transitions, 48548 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:18:50,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 884 places, 889 transitions, 55134 flow [2021-06-11 19:18:52,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 889 transitions, 54492 flow, removed 54 selfloop flow, removed 5 redundant places. [2021-06-11 19:18:52,707 INFO L241 Difference]: Finished difference. Result has 885 places, 827 transitions, 51007 flow [2021-06-11 19:18:52,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47978, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=278, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51007, PETRI_PLACES=885, PETRI_TRANSITIONS=827} [2021-06-11 19:18:52,707 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 847 predicate places. [2021-06-11 19:18:52,707 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:52,707 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 885 places, 827 transitions, 51007 flow [2021-06-11 19:18:52,707 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 885 places, 827 transitions, 51007 flow [2021-06-11 19:18:52,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 884 places, 827 transitions, 51007 flow [2021-06-11 19:18:53,837 INFO L129 PetriNetUnfolder]: 285/3711 cut-off events. [2021-06-11 19:18:53,837 INFO L130 PetriNetUnfolder]: For 283992/284194 co-relation queries the response was YES. [2021-06-11 19:18:53,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37499 conditions, 3711 events. 285/3711 cut-off events. For 283992/284194 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 56164 event pairs, 0 based on Foata normal form. 1/3627 useless extension candidates. Maximal degree in co-relation 37285. Up to 570 conditions per place. [2021-06-11 19:18:53,941 INFO L151 LiptonReduction]: Number of co-enabled transitions 4780 [2021-06-11 19:18:54,051 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:18:54,051 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:18:54,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1344 [2021-06-11 19:18:54,052 INFO L480 AbstractCegarLoop]: Abstraction has has 884 places, 827 transitions, 51007 flow [2021-06-11 19:18:54,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:54,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:18:54,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:18:54,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-06-11 19:18:54,052 INFO L428 AbstractCegarLoop]: === Iteration 259 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:18:54,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:18:54,052 INFO L82 PathProgramCache]: Analyzing trace with hash 594261394, now seen corresponding path program 255 times [2021-06-11 19:18:54,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:18:54,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477914482] [2021-06-11 19:18:54,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:18:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:18:54,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:54,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:18:54,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:18:54,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:18:54,063 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:18:54,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:18:54,074 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:18:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:18:54,089 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:18:54,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:18:54,110 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-06-11 19:18:54,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-06-11 19:18:54,168 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:18:54,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:18:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:18:54,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477914482] [2021-06-11 19:18:54,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:18:54,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:18:54,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867213275] [2021-06-11 19:18:54,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:18:54,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:18:54,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:18:54,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:18:54,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:18:54,193 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 827 transitions, 51007 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:54,193 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:18:54,193 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:18:54,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:18:56,240 INFO L129 PetriNetUnfolder]: 294/3728 cut-off events. [2021-06-11 19:18:56,240 INFO L130 PetriNetUnfolder]: For 287354/287534 co-relation queries the response was YES. [2021-06-11 19:18:56,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39130 conditions, 3728 events. 294/3728 cut-off events. For 287354/287534 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 55920 event pairs, 4 based on Foata normal form. 26/3701 useless extension candidates. Maximal degree in co-relation 38915. Up to 570 conditions per place. [2021-06-11 19:18:56,308 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 483 selfloop transitions, 343 changer transitions 2/842 dead transitions. [2021-06-11 19:18:56,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 842 transitions, 53389 flow [2021-06-11 19:18:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:18:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:18:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:18:56,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:18:56,309 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:18:56,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:18:56,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:18:56,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:18:56,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:56,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:56,310 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:18:56,310 INFO L185 Difference]: Start difference. First operand has 884 places, 827 transitions, 51007 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:18:56,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 842 transitions, 53389 flow [2021-06-11 19:18:59,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 885 places, 842 transitions, 52899 flow, removed 64 selfloop flow, removed 6 redundant places. [2021-06-11 19:18:59,076 INFO L241 Difference]: Finished difference. Result has 887 places, 829 transitions, 51426 flow [2021-06-11 19:18:59,077 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=50525, PETRI_DIFFERENCE_MINUEND_PLACES=878, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=339, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51426, PETRI_PLACES=887, PETRI_TRANSITIONS=829} [2021-06-11 19:18:59,077 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 849 predicate places. [2021-06-11 19:18:59,077 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 19:18:59,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 887 places, 829 transitions, 51426 flow [2021-06-11 19:18:59,077 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 887 places, 829 transitions, 51426 flow [2021-06-11 19:18:59,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 885 places, 829 transitions, 51426 flow [2021-06-11 19:19:00,276 INFO L129 PetriNetUnfolder]: 284/3701 cut-off events. [2021-06-11 19:19:00,276 INFO L130 PetriNetUnfolder]: For 287419/287612 co-relation queries the response was YES. [2021-06-11 19:19:00,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37587 conditions, 3701 events. 284/3701 cut-off events. For 287419/287612 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 55850 event pairs, 0 based on Foata normal form. 0/3615 useless extension candidates. Maximal degree in co-relation 37373. Up to 568 conditions per place. [2021-06-11 19:19:00,376 INFO L151 LiptonReduction]: Number of co-enabled transitions 4792 [2021-06-11 19:19:00,477 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 19:19:00,477 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 19:19:00,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1400 [2021-06-11 19:19:00,477 INFO L480 AbstractCegarLoop]: Abstraction has has 885 places, 829 transitions, 51426 flow [2021-06-11 19:19:00,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:19:00,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 19:19:00,478 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 19:19:00,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-06-11 19:19:00,478 INFO L428 AbstractCegarLoop]: === Iteration 260 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-11 19:19:00,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 19:19:00,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1513736530, now seen corresponding path program 256 times [2021-06-11 19:19:00,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 19:19:00,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521084593] [2021-06-11 19:19:00,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 19:19:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 19:19:00,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:19:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 19:19:00,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 19:19:00,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 19:19:00,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 19:19:00,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 19:19:00,504 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-06-11 19:19:00,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 19:19:00,519 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-06-11 19:19:00,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-11 19:19:00,540 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-06-11 19:19:00,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 19:19:00,559 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-06-11 19:19:00,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-06-11 19:19:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 19:19:00,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521084593] [2021-06-11 19:19:00,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 19:19:00,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 19:19:00,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561516850] [2021-06-11 19:19:00,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-11 19:19:00,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 19:19:00,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-11 19:19:00,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-06-11 19:19:00,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-06-11 19:19:00,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 885 places, 829 transitions, 51426 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:19:00,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 19:19:00,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-06-11 19:19:00,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 19:19:02,689 INFO L129 PetriNetUnfolder]: 293/3718 cut-off events. [2021-06-11 19:19:02,689 INFO L130 PetriNetUnfolder]: For 290916/291096 co-relation queries the response was YES. [2021-06-11 19:19:02,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39219 conditions, 3718 events. 293/3718 cut-off events. For 290916/291096 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 55789 event pairs, 4 based on Foata normal form. 26/3691 useless extension candidates. Maximal degree in co-relation 39004. Up to 568 conditions per place. [2021-06-11 19:19:02,756 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 482 selfloop transitions, 341 changer transitions 3/840 dead transitions. [2021-06-11 19:19:02,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 840 transitions, 53536 flow [2021-06-11 19:19:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 19:19:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 19:19:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-06-11 19:19:02,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-06-11 19:19:02,757 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-06-11 19:19:02,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-06-11 19:19:02,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 19:19:02,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-06-11 19:19:02,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:19:02,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:19:02,758 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 19:19:02,758 INFO L185 Difference]: Start difference. First operand has 885 places, 829 transitions, 51426 flow. Second operand 8 states and 467 transitions. [2021-06-11 19:19:02,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 840 transitions, 53536 flow Received shutdown request... [2021-06-11 19:19:04,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-06-11 19:19:04,065 WARN L545 AbstractCegarLoop]: Verification canceled [2021-06-11 19:19:04,067 WARN L224 ceAbstractionStarter]: Timeout [2021-06-11 19:19:04,067 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 07:19:04 BasicIcfg [2021-06-11 19:19:04,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 19:19:04,068 INFO L168 Benchmark]: Toolchain (without parser) took 857997.98 ms. Allocated memory was 369.1 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 348.5 MB in the beginning and 1.1 GB in the end (delta: -783.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-06-11 19:19:04,068 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.48 ms. Allocated memory is still 369.1 MB. Free memory was 349.6 MB in the beginning and 349.5 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 19:19:04,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.68 ms. Allocated memory is still 369.1 MB. Free memory was 348.5 MB in the beginning and 347.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 19:19:04,068 INFO L168 Benchmark]: Boogie Preprocessor took 9.99 ms. Allocated memory is still 369.1 MB. Free memory was 346.9 MB in the beginning and 346.1 MB in the end (delta: 775.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 19:19:04,068 INFO L168 Benchmark]: RCFGBuilder took 160.68 ms. Allocated memory is still 369.1 MB. Free memory was 346.0 MB in the beginning and 335.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-11 19:19:04,068 INFO L168 Benchmark]: TraceAbstraction took 857798.53 ms. Allocated memory was 369.1 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 335.2 MB in the beginning and 1.1 GB in the end (delta: -796.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. [2021-06-11 19:19:04,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.48 ms. Allocated memory is still 369.1 MB. Free memory was 349.6 MB in the beginning and 349.5 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.68 ms. Allocated memory is still 369.1 MB. Free memory was 348.5 MB in the beginning and 347.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.99 ms. Allocated memory is still 369.1 MB. Free memory was 346.9 MB in the beginning and 346.1 MB in the end (delta: 775.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 160.68 ms. Allocated memory is still 369.1 MB. Free memory was 346.0 MB in the beginning and 335.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 857798.53 ms. Allocated memory was 369.1 MB in the beginning and 2.6 GB in the end (delta: 2.2 GB). Free memory was 335.2 MB in the beginning and 1.1 GB in the end (delta: -796.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.1ms, 44 PlacesBefore, 38 PlacesAfterwards, 55 TransitionsBefore, 49 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 225 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 225, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 225, unknown conditional: 0, unknown unconditional: 225] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.9ms, 28 PlacesBefore, 28 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.5ms, 29 PlacesBefore, 29 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.9ms, 30 PlacesBefore, 30 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2ms, 31 PlacesBefore, 31 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0ms, 43 PlacesBefore, 43 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.9ms, 55 PlacesBefore, 55 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.4ms, 67 PlacesBefore, 67 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.0ms, 79 PlacesBefore, 79 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.3ms, 91 PlacesBefore, 91 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.6ms, 103 PlacesBefore, 102 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.2ms, 113 PlacesBefore, 113 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.2ms, 125 PlacesBefore, 125 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 846 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.5ms, 137 PlacesBefore, 137 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 120.0ms, 148 PlacesBefore, 148 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 1066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.4ms, 158 PlacesBefore, 158 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 1122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 120.8ms, 167 PlacesBefore, 167 PlacesAfterwards, 148 TransitionsBefore, 148 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.4ms, 174 PlacesBefore, 174 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 1206 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 201.3ms, 183 PlacesBefore, 183 PlacesAfterwards, 213 TransitionsBefore, 213 TransitionsAfterwards, 1398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.0ms, 192 PlacesBefore, 192 PlacesAfterwards, 216 TransitionsBefore, 216 TransitionsAfterwards, 1434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 315.8ms, 201 PlacesBefore, 201 PlacesAfterwards, 255 TransitionsBefore, 255 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 307.4ms, 211 PlacesBefore, 211 PlacesAfterwards, 262 TransitionsBefore, 262 TransitionsAfterwards, 1648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.9ms, 219 PlacesBefore, 219 PlacesAfterwards, 279 TransitionsBefore, 279 TransitionsAfterwards, 1798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 347.5ms, 223 PlacesBefore, 223 PlacesAfterwards, 282 TransitionsBefore, 282 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 401.6ms, 230 PlacesBefore, 230 PlacesAfterwards, 311 TransitionsBefore, 311 TransitionsAfterwards, 1990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 357.8ms, 239 PlacesBefore, 239 PlacesAfterwards, 322 TransitionsBefore, 322 TransitionsAfterwards, 2106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 402.5ms, 249 PlacesBefore, 249 PlacesAfterwards, 330 TransitionsBefore, 330 TransitionsAfterwards, 2174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 453.5ms, 258 PlacesBefore, 258 PlacesAfterwards, 338 TransitionsBefore, 338 TransitionsAfterwards, 2252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 448.1ms, 265 PlacesBefore, 265 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 2332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 451.3ms, 274 PlacesBefore, 274 PlacesAfterwards, 354 TransitionsBefore, 354 TransitionsAfterwards, 2440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 443.5ms, 280 PlacesBefore, 280 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 2466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 471.9ms, 285 PlacesBefore, 285 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 414.3ms, 289 PlacesBefore, 289 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.2ms, 293 PlacesBefore, 293 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.7ms, 292 PlacesBefore, 292 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 2514 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.2ms, 297 PlacesBefore, 297 PlacesAfterwards, 375 TransitionsBefore, 375 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 442.2ms, 302 PlacesBefore, 302 PlacesAfterwards, 375 TransitionsBefore, 375 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 506.6ms, 307 PlacesBefore, 307 PlacesAfterwards, 378 TransitionsBefore, 378 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 451.3ms, 313 PlacesBefore, 313 PlacesAfterwards, 381 TransitionsBefore, 381 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 451.1ms, 315 PlacesBefore, 315 PlacesAfterwards, 381 TransitionsBefore, 381 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.9ms, 319 PlacesBefore, 295 PlacesAfterwards, 328 TransitionsBefore, 328 TransitionsAfterwards, 2122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 379.9ms, 266 PlacesBefore, 265 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 371.1ms, 274 PlacesBefore, 273 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 2314 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.1ms, 281 PlacesBefore, 280 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.2ms, 284 PlacesBefore, 284 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 402.9ms, 288 PlacesBefore, 288 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 444.4ms, 294 PlacesBefore, 294 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 2522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 399.1ms, 299 PlacesBefore, 299 PlacesAfterwards, 364 TransitionsBefore, 364 TransitionsAfterwards, 2536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 385.8ms, 304 PlacesBefore, 298 PlacesAfterwards, 356 TransitionsBefore, 356 TransitionsAfterwards, 2438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.3ms, 298 PlacesBefore, 297 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 2454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 442.8ms, 303 PlacesBefore, 302 PlacesAfterwards, 373 TransitionsBefore, 373 TransitionsAfterwards, 2588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 460.3ms, 309 PlacesBefore, 308 PlacesAfterwards, 377 TransitionsBefore, 377 TransitionsAfterwards, 2638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 504.1ms, 316 PlacesBefore, 315 PlacesAfterwards, 391 TransitionsBefore, 391 TransitionsAfterwards, 2776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 468.1ms, 320 PlacesBefore, 319 PlacesAfterwards, 390 TransitionsBefore, 390 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 469.1ms, 323 PlacesBefore, 322 PlacesAfterwards, 390 TransitionsBefore, 390 TransitionsAfterwards, 2750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 480.4ms, 328 PlacesBefore, 328 PlacesAfterwards, 404 TransitionsBefore, 404 TransitionsAfterwards, 2788 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 520.5ms, 333 PlacesBefore, 331 PlacesAfterwards, 400 TransitionsBefore, 400 TransitionsAfterwards, 2742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 459.9ms, 332 PlacesBefore, 331 PlacesAfterwards, 398 TransitionsBefore, 398 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 458.0ms, 333 PlacesBefore, 332 PlacesAfterwards, 396 TransitionsBefore, 396 TransitionsAfterwards, 2712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 458.3ms, 335 PlacesBefore, 333 PlacesAfterwards, 393 TransitionsBefore, 393 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 469.9ms, 337 PlacesBefore, 337 PlacesAfterwards, 411 TransitionsBefore, 411 TransitionsAfterwards, 2738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 480.4ms, 342 PlacesBefore, 341 PlacesAfterwards, 413 TransitionsBefore, 413 TransitionsAfterwards, 2754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 463.3ms, 345 PlacesBefore, 343 PlacesAfterwards, 410 TransitionsBefore, 410 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 424.2ms, 345 PlacesBefore, 344 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 431.4ms, 347 PlacesBefore, 346 PlacesAfterwards, 406 TransitionsBefore, 406 TransitionsAfterwards, 2712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 462.9ms, 353 PlacesBefore, 352 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 2794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 473.8ms, 360 PlacesBefore, 359 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 471.7ms, 363 PlacesBefore, 363 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 490.1ms, 368 PlacesBefore, 368 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 516.0ms, 372 PlacesBefore, 371 PlacesAfterwards, 434 TransitionsBefore, 434 TransitionsAfterwards, 2998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 510.5ms, 377 PlacesBefore, 377 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 510.6ms, 382 PlacesBefore, 382 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 517.7ms, 386 PlacesBefore, 380 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 2896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 481.4ms, 377 PlacesBefore, 376 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 481.2ms, 380 PlacesBefore, 380 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 490.5ms, 383 PlacesBefore, 381 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 2828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 475.5ms, 385 PlacesBefore, 384 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 2828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 467.1ms, 388 PlacesBefore, 387 PlacesAfterwards, 413 TransitionsBefore, 413 TransitionsAfterwards, 2824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 573.1ms, 390 PlacesBefore, 390 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.3ms, 395 PlacesBefore, 394 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.0ms, 398 PlacesBefore, 397 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2836 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 475.1ms, 400 PlacesBefore, 398 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 2800 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 517.1ms, 404 PlacesBefore, 403 PlacesAfterwards, 434 TransitionsBefore, 434 TransitionsAfterwards, 2954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 577.8ms, 410 PlacesBefore, 409 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 2974 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 535.7ms, 413 PlacesBefore, 412 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 522.8ms, 416 PlacesBefore, 416 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 3012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 526.0ms, 423 PlacesBefore, 421 PlacesAfterwards, 444 TransitionsBefore, 444 TransitionsAfterwards, 2994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 656.4ms, 424 PlacesBefore, 423 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 3006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 525.8ms, 426 PlacesBefore, 425 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 558.7ms, 429 PlacesBefore, 429 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 3066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 521.4ms, 433 PlacesBefore, 433 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 3066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 538.4ms, 438 PlacesBefore, 437 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 553.1ms, 440 PlacesBefore, 440 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 543.5ms, 443 PlacesBefore, 443 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 524.1ms, 448 PlacesBefore, 447 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 3058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 514.2ms, 452 PlacesBefore, 451 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 3046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.0ms, 455 PlacesBefore, 455 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 3046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 575.4ms, 460 PlacesBefore, 454 PlacesAfterwards, 432 TransitionsBefore, 432 TransitionsAfterwards, 2938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.7ms, 449 PlacesBefore, 448 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 507.3ms, 453 PlacesBefore, 453 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 513.3ms, 456 PlacesBefore, 454 PlacesAfterwards, 427 TransitionsBefore, 427 TransitionsAfterwards, 2890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 498.9ms, 457 PlacesBefore, 456 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 496.9ms, 460 PlacesBefore, 459 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 2878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 466.3ms, 461 PlacesBefore, 459 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2842 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.1ms, 463 PlacesBefore, 462 PlacesAfterwards, 427 TransitionsBefore, 427 TransitionsAfterwards, 2908 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 508.0ms, 467 PlacesBefore, 467 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 2916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 504.6ms, 471 PlacesBefore, 470 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 2922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 488.2ms, 476 PlacesBefore, 474 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 517.8ms, 475 PlacesBefore, 474 PlacesAfterwards, 425 TransitionsBefore, 425 TransitionsAfterwards, 2914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 487.8ms, 478 PlacesBefore, 477 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 2902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 502.6ms, 479 PlacesBefore, 478 PlacesAfterwards, 421 TransitionsBefore, 421 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 474.0ms, 483 PlacesBefore, 482 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 2924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 481.5ms, 487 PlacesBefore, 486 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 485.8ms, 489 PlacesBefore, 489 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 483.7ms, 494 PlacesBefore, 493 PlacesAfterwards, 431 TransitionsBefore, 431 TransitionsAfterwards, 3006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 483.6ms, 496 PlacesBefore, 495 PlacesAfterwards, 429 TransitionsBefore, 429 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 472.9ms, 498 PlacesBefore, 496 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.9ms, 498 PlacesBefore, 498 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 486.5ms, 504 PlacesBefore, 503 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 2960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 473.3ms, 505 PlacesBefore, 504 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.4ms, 507 PlacesBefore, 505 PlacesAfterwards, 418 TransitionsBefore, 418 TransitionsAfterwards, 2928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 461.4ms, 508 PlacesBefore, 507 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 2926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 449.9ms, 509 PlacesBefore, 509 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 2926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.5ms, 512 PlacesBefore, 510 PlacesAfterwards, 412 TransitionsBefore, 412 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 445.2ms, 512 PlacesBefore, 511 PlacesAfterwards, 410 TransitionsBefore, 410 TransitionsAfterwards, 2878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 447.9ms, 515 PlacesBefore, 514 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 439.5ms, 517 PlacesBefore, 517 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 450.3ms, 521 PlacesBefore, 521 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 472.1ms, 526 PlacesBefore, 526 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 450.9ms, 530 PlacesBefore, 530 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 422.7ms, 535 PlacesBefore, 529 PlacesAfterwards, 394 TransitionsBefore, 394 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 414.9ms, 529 PlacesBefore, 529 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 412.0ms, 534 PlacesBefore, 534 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 512.0ms, 544 PlacesBefore, 543 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 3026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 599.5ms, 553 PlacesBefore, 552 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 3248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 651.1ms, 558 PlacesBefore, 558 PlacesAfterwards, 463 TransitionsBefore, 463 TransitionsAfterwards, 3250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 595.0ms, 561 PlacesBefore, 561 PlacesAfterwards, 463 TransitionsBefore, 463 TransitionsAfterwards, 3250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 608.2ms, 565 PlacesBefore, 565 PlacesAfterwards, 466 TransitionsBefore, 466 TransitionsAfterwards, 3256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 648.5ms, 574 PlacesBefore, 573 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 3446 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 684.2ms, 583 PlacesBefore, 582 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 3686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 678.4ms, 586 PlacesBefore, 586 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 3686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 678.2ms, 590 PlacesBefore, 590 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 3688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 798.7ms, 599 PlacesBefore, 598 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 842.4ms, 603 PlacesBefore, 603 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 806.0ms, 604 PlacesBefore, 604 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 802.0ms, 610 PlacesBefore, 610 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 785.9ms, 614 PlacesBefore, 614 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 805.8ms, 623 PlacesBefore, 622 PlacesAfterwards, 578 TransitionsBefore, 578 TransitionsAfterwards, 4068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 834.4ms, 627 PlacesBefore, 627 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 4116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 826.9ms, 635 PlacesBefore, 635 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 852.3ms, 640 PlacesBefore, 640 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 856.1ms, 643 PlacesBefore, 643 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 883.7ms, 651 PlacesBefore, 650 PlacesAfterwards, 601 TransitionsBefore, 601 TransitionsAfterwards, 4220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 944.9ms, 654 PlacesBefore, 654 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 915.1ms, 658 PlacesBefore, 658 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 939.2ms, 663 PlacesBefore, 663 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 953.5ms, 666 PlacesBefore, 666 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 955.7ms, 670 PlacesBefore, 670 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 940.7ms, 675 PlacesBefore, 675 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 959.4ms, 679 PlacesBefore, 679 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 981.5ms, 683 PlacesBefore, 683 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 999.7ms, 689 PlacesBefore, 689 PlacesAfterwards, 605 TransitionsBefore, 605 TransitionsAfterwards, 4240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 950.0ms, 694 PlacesBefore, 694 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 951.1ms, 699 PlacesBefore, 699 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 943.2ms, 702 PlacesBefore, 702 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 840.6ms, 706 PlacesBefore, 658 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 799.1ms, 630 PlacesBefore, 624 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 3642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 801.2ms, 619 PlacesBefore, 619 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 3670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 911.6ms, 629 PlacesBefore, 628 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 3896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 927.4ms, 635 PlacesBefore, 634 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 3892 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1012.6ms, 641 PlacesBefore, 640 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 4018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 990.3ms, 648 PlacesBefore, 647 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 4030 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 973.4ms, 653 PlacesBefore, 652 PlacesAfterwards, 631 TransitionsBefore, 631 TransitionsAfterwards, 4068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 999.6ms, 658 PlacesBefore, 657 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 4060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1001.4ms, 659 PlacesBefore, 655 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 3996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 987.8ms, 658 PlacesBefore, 657 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 4010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1001.6ms, 661 PlacesBefore, 660 PlacesAfterwards, 627 TransitionsBefore, 627 TransitionsAfterwards, 4006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 990.6ms, 663 PlacesBefore, 661 PlacesAfterwards, 624 TransitionsBefore, 624 TransitionsAfterwards, 3998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 974.3ms, 664 PlacesBefore, 664 PlacesAfterwards, 628 TransitionsBefore, 628 TransitionsAfterwards, 4010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 956.8ms, 668 PlacesBefore, 664 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 999.7ms, 667 PlacesBefore, 667 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 4008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1044.3ms, 672 PlacesBefore, 671 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 4002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 993.2ms, 675 PlacesBefore, 673 PlacesAfterwards, 630 TransitionsBefore, 630 TransitionsAfterwards, 3958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 995.8ms, 675 PlacesBefore, 673 PlacesAfterwards, 627 TransitionsBefore, 627 TransitionsAfterwards, 3942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 929.8ms, 675 PlacesBefore, 673 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 3928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1050.0ms, 681 PlacesBefore, 680 PlacesAfterwards, 664 TransitionsBefore, 664 TransitionsAfterwards, 4204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1179.6ms, 689 PlacesBefore, 688 PlacesAfterwards, 678 TransitionsBefore, 678 TransitionsAfterwards, 4298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1279.5ms, 697 PlacesBefore, 696 PlacesAfterwards, 704 TransitionsBefore, 704 TransitionsAfterwards, 4468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1266.3ms, 702 PlacesBefore, 702 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1269.9ms, 711 PlacesBefore, 711 PlacesAfterwards, 746 TransitionsBefore, 746 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1330.7ms, 719 PlacesBefore, 719 PlacesAfterwards, 752 TransitionsBefore, 752 TransitionsAfterwards, 4702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1279.6ms, 724 PlacesBefore, 723 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1285.1ms, 726 PlacesBefore, 726 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1258.3ms, 732 PlacesBefore, 732 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1313.5ms, 737 PlacesBefore, 737 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1258.7ms, 741 PlacesBefore, 739 PlacesAfterwards, 748 TransitionsBefore, 748 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1262.6ms, 741 PlacesBefore, 739 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1332.1ms, 741 PlacesBefore, 741 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1216.1ms, 745 PlacesBefore, 738 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 4528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1214.3ms, 736 PlacesBefore, 735 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 4528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1209.9ms, 738 PlacesBefore, 737 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1251.5ms, 740 PlacesBefore, 740 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1195.4ms, 743 PlacesBefore, 740 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 4454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1200.6ms, 742 PlacesBefore, 740 PlacesAfterwards, 722 TransitionsBefore, 722 TransitionsAfterwards, 4428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1177.1ms, 745 PlacesBefore, 743 PlacesAfterwards, 718 TransitionsBefore, 718 TransitionsAfterwards, 4400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1344.1ms, 749 PlacesBefore, 749 PlacesAfterwards, 754 TransitionsBefore, 754 TransitionsAfterwards, 4568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1303.5ms, 758 PlacesBefore, 758 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1275.5ms, 765 PlacesBefore, 764 PlacesAfterwards, 775 TransitionsBefore, 775 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1278.4ms, 768 PlacesBefore, 766 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1286.3ms, 769 PlacesBefore, 767 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1253.6ms, 771 PlacesBefore, 770 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1256.0ms, 774 PlacesBefore, 772 PlacesAfterwards, 767 TransitionsBefore, 767 TransitionsAfterwards, 4586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1340.9ms, 777 PlacesBefore, 777 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1296.6ms, 782 PlacesBefore, 782 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1297.1ms, 787 PlacesBefore, 787 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1344.3ms, 792 PlacesBefore, 792 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1289.5ms, 797 PlacesBefore, 796 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1349.8ms, 801 PlacesBefore, 801 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1363.6ms, 806 PlacesBefore, 800 PlacesAfterwards, 781 TransitionsBefore, 781 TransitionsAfterwards, 4588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1320.4ms, 798 PlacesBefore, 797 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 4566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1271.8ms, 800 PlacesBefore, 800 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 4566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1364.5ms, 802 PlacesBefore, 800 PlacesAfterwards, 774 TransitionsBefore, 774 TransitionsAfterwards, 4530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1245.8ms, 801 PlacesBefore, 800 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1325.3ms, 805 PlacesBefore, 803 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1243.1ms, 806 PlacesBefore, 805 PlacesAfterwards, 768 TransitionsBefore, 768 TransitionsAfterwards, 4498 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1308.7ms, 808 PlacesBefore, 805 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1217.7ms, 806 PlacesBefore, 805 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1197.4ms, 808 PlacesBefore, 807 PlacesAfterwards, 761 TransitionsBefore, 761 TransitionsAfterwards, 4474 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1263.1ms, 810 PlacesBefore, 806 PlacesAfterwards, 756 TransitionsBefore, 756 TransitionsAfterwards, 4430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1283.0ms, 810 PlacesBefore, 810 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1206.3ms, 817 PlacesBefore, 816 PlacesAfterwards, 766 TransitionsBefore, 766 TransitionsAfterwards, 4468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1168.7ms, 819 PlacesBefore, 817 PlacesAfterwards, 761 TransitionsBefore, 761 TransitionsAfterwards, 4432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1207.5ms, 819 PlacesBefore, 817 PlacesAfterwards, 758 TransitionsBefore, 758 TransitionsAfterwards, 4426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1236.8ms, 820 PlacesBefore, 818 PlacesAfterwards, 755 TransitionsBefore, 755 TransitionsAfterwards, 4412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1212.3ms, 823 PlacesBefore, 821 PlacesAfterwards, 753 TransitionsBefore, 753 TransitionsAfterwards, 4406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1194.6ms, 823 PlacesBefore, 822 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 4440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1182.2ms, 826 PlacesBefore, 825 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1162.4ms, 828 PlacesBefore, 827 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1176.9ms, 832 PlacesBefore, 831 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1238.9ms, 837 PlacesBefore, 836 PlacesAfterwards, 760 TransitionsBefore, 760 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1144.8ms, 838 PlacesBefore, 836 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1175.8ms, 838 PlacesBefore, 838 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1170.8ms, 841 PlacesBefore, 839 PlacesAfterwards, 758 TransitionsBefore, 758 TransitionsAfterwards, 4460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1161.6ms, 842 PlacesBefore, 842 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1340.9ms, 848 PlacesBefore, 848 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1199.2ms, 853 PlacesBefore, 853 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1158.5ms, 858 PlacesBefore, 858 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1168.8ms, 861 PlacesBefore, 861 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1180.7ms, 866 PlacesBefore, 866 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1194.1ms, 870 PlacesBefore, 868 PlacesAfterwards, 764 TransitionsBefore, 764 TransitionsAfterwards, 4438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1143.5ms, 870 PlacesBefore, 862 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1121.5ms, 859 PlacesBefore, 857 PlacesAfterwards, 746 TransitionsBefore, 746 TransitionsAfterwards, 4294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1088.1ms, 860 PlacesBefore, 858 PlacesAfterwards, 743 TransitionsBefore, 743 TransitionsAfterwards, 4282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1120.0ms, 861 PlacesBefore, 859 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 4270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1113.3ms, 862 PlacesBefore, 861 PlacesAfterwards, 738 TransitionsBefore, 738 TransitionsAfterwards, 4266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1165.2ms, 865 PlacesBefore, 863 PlacesAfterwards, 733 TransitionsBefore, 733 TransitionsAfterwards, 4234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1243.0ms, 871 PlacesBefore, 870 PlacesAfterwards, 771 TransitionsBefore, 771 TransitionsAfterwards, 4446 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1238.3ms, 878 PlacesBefore, 877 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1343.8ms, 885 PlacesBefore, 884 PlacesAfterwards, 827 TransitionsBefore, 827 TransitionsAfterwards, 4780 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1399.9ms, 887 PlacesBefore, 885 PlacesAfterwards, 829 TransitionsBefore, 829 TransitionsAfterwards, 4792 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 225, Positive conditional cache size: 0, Positive unconditional cache size: 225, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 25). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 26.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 857689.5ms, OverallIterations: 260, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 641356.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 313.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4714 SDtfs, 6478 SDslu, 4094 SDs, 0 SdLazy, 8061 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5271.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2060 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 1796 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 25066.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51426occurred in iteration=259, InterpolantAutomatonStates: 2052, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 60.9ms SsaConstructionTime, 164.6ms SatisfiabilityAnalysisTime, 22110.9ms InterpolantComputationTime, 4940 NumberOfCodeBlocks, 4940 NumberOfCodeBlocksAsserted, 260 NumberOfCheckSat, 4680 ConstructedInterpolants, 0 QuantifiedInterpolants, 109681 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 260 InterpolantComputations, 260 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown